21391277040

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{471589}}^1$

素因数の和:471621

約数の個数: 200

約数和(自身を含む): 84908836320

約数和(自身を除く): 63517559280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 1008, 1080, 1134, 1260, 1296, 1512, 1620, 1680, 1890, 2160, 2268, 2520, 2835, 3024, 3240, 3780, 4536, 5040, 5670, 6480, 7560, 9072, 11340, 15120, 22680, 45360, 471589, 943178, 1414767, 1886356, 2357945, 2829534, 3301123, 3772712, 4244301, 4715890, 5659068, 6602246, 7073835, 7545424, 8488602, 9431780, 9903369, 11318136, 12732903, 13204492, 14147670, 16505615, 16977204, 18863560, 19806738, 21221505, 22636272, 25465806, 26408984, 28295340, 29710107, 33011230, 33954408, 37727120, 38198709, 39613476, 42443010, 49516845, 50931612, 52817968, 56590680, 59420214, 63664515, 66022460, 67908816, 76397418, 79226952, 84886020, 89130321, 99033690, 101863224, 113181360, 118840428, 127329030, 132044920, 148550535, 152794836, 158453904, 169772040, 178260642, 190993545, 198067380, 203726448, 237680856, 254658060, 264089840, 267390963, 297101070, 305589672, 339544080, 356521284, 381987090, 396134760, 445651605, 475361712, 509316120, 534781926, 594202140, 611179344, 713042568, 763974180, 792269520, 891303210, 1018632240, 1069563852, 1188404280, 1336954815, 1426085136, 1527948360, 1782606420, 2139127704, 2376808560, 2673909630, 3055896720, 3565212840, 4278255408, 5347819260, 7130425680, 10695638520, 21391277040]

約数ペア:

[(1, 21391277040), (2, 10695638520), (3, 7130425680), (4, 5347819260), (5, 4278255408), (6, 3565212840), (7, 3055896720), (8, 2673909630), (9, 2376808560), (10, 2139127704), (12, 1782606420), (14, 1527948360), (15, 1426085136), (16, 1336954815), (18, 1188404280), (20, 1069563852), (21, 1018632240), (24, 891303210), (27, 792269520), (28, 763974180), (30, 713042568), (35, 611179344), (36, 594202140), (40, 534781926), (42, 509316120), (45, 475361712), (48, 445651605), (54, 396134760), (56, 381987090), (60, 356521284), (63, 339544080), (70, 305589672), (72, 297101070), (80, 267390963), (81, 264089840), (84, 254658060), (90, 237680856), (105, 203726448), (108, 198067380), (112, 190993545), (120, 178260642), (126, 169772040), (135, 158453904), (140, 152794836), (144, 148550535), (162, 132044920), (168, 127329030), (180, 118840428), (189, 113181360), (210, 101863224), (216, 99033690), (240, 89130321), (252, 84886020), (270, 79226952), (280, 76397418), (315, 67908816), (324, 66022460), (336, 63664515), (360, 59420214), (378, 56590680), (405, 52817968), (420, 50931612), (432, 49516845), (504, 42443010), (540, 39613476), (560, 38198709), (567, 37727120), (630, 33954408), (648, 33011230), (720, 29710107), (756, 28295340), (810, 26408984), (840, 25465806), (945, 22636272), (1008, 21221505), (1080, 19806738), (1134, 18863560), (1260, 16977204), (1296, 16505615), (1512, 14147670), (1620, 13204492), (1680, 12732903), (1890, 11318136), (2160, 9903369), (2268, 9431780), (2520, 8488602), (2835, 7545424), (3024, 7073835), (3240, 6602246), (3780, 5659068), (4536, 4715890), (5040, 4244301), (5670, 3772712), (6480, 3301123), (7560, 2829534), (9072, 2357945), (11340, 1886356), (15120, 1414767), (22680, 943178), (45360, 471589)]