21931560

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{967}}^1$

素因数の和:997

約数の個数: 160

約数和(自身を含む): 84332160

約数和(自身を除く): 62400600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 967, 1080, 1134, 1260, 1512, 1620, 1890, 1934, 2268, 2520, 2835, 2901, 3240, 3780, 3868, 4536, 4835, 5670, 5802, 6769, 7560, 7736, 8703, 9670, 11340, 11604, 13538, 14505, 17406, 19340, 20307, 22680, 23208, 26109, 27076, 29010, 33845, 34812, 38680, 40614, 43515, 52218, 54152, 58020, 60921, 67690, 69624, 78327, 81228, 87030, 101535, 104436, 116040, 121842, 130545, 135380, 156654, 162456, 174060, 182763, 203070, 208872, 243684, 261090, 270760, 304605, 313308, 348120, 365526, 391635, 406140, 487368, 522180, 548289, 609210, 626616, 731052, 783270, 812280, 913815, 1044360, 1096578, 1218420, 1462104, 1566540, 1827630, 2193156, 2436840, 2741445, 3133080, 3655260, 4386312, 5482890, 7310520, 10965780, 21931560]

約数ペア:

[(1, 21931560), (2, 10965780), (3, 7310520), (4, 5482890), (5, 4386312), (6, 3655260), (7, 3133080), (8, 2741445), (9, 2436840), (10, 2193156), (12, 1827630), (14, 1566540), (15, 1462104), (18, 1218420), (20, 1096578), (21, 1044360), (24, 913815), (27, 812280), (28, 783270), (30, 731052), (35, 626616), (36, 609210), (40, 548289), (42, 522180), (45, 487368), (54, 406140), (56, 391635), (60, 365526), (63, 348120), (70, 313308), (72, 304605), (81, 270760), (84, 261090), (90, 243684), (105, 208872), (108, 203070), (120, 182763), (126, 174060), (135, 162456), (140, 156654), (162, 135380), (168, 130545), (180, 121842), (189, 116040), (210, 104436), (216, 101535), (252, 87030), (270, 81228), (280, 78327), (315, 69624), (324, 67690), (360, 60921), (378, 58020), (405, 54152), (420, 52218), (504, 43515), (540, 40614), (567, 38680), (630, 34812), (648, 33845), (756, 29010), (810, 27076), (840, 26109), (945, 23208), (967, 22680), (1080, 20307), (1134, 19340), (1260, 17406), (1512, 14505), (1620, 13538), (1890, 11604), (1934, 11340), (2268, 9670), (2520, 8703), (2835, 7736), (2901, 7560), (3240, 6769), (3780, 5802), (3868, 5670), (4536, 4835)]