21461310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 64746864

約数和(自身を除く): 43285554

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 83, 85, 90, 102, 117, 130, 153, 166, 169, 170, 195, 221, 234, 249, 255, 306, 338, 390, 415, 442, 498, 507, 510, 585, 663, 747, 765, 830, 845, 1014, 1079, 1105, 1170, 1245, 1326, 1411, 1494, 1521, 1530, 1690, 1989, 2158, 2210, 2490, 2535, 2822, 2873, 3042, 3237, 3315, 3735, 3978, 4233, 5070, 5395, 5746, 6474, 6630, 7055, 7470, 7605, 8466, 8619, 9711, 9945, 10790, 12699, 14027, 14110, 14365, 15210, 16185, 17238, 18343, 19422, 19890, 21165, 25398, 25857, 28054, 28730, 32370, 36686, 42081, 42330, 43095, 48555, 51714, 55029, 63495, 70135, 84162, 86190, 91715, 97110, 110058, 126243, 126990, 129285, 140270, 165087, 183430, 210405, 238459, 252486, 258570, 275145, 330174, 420810, 476918, 550290, 631215, 715377, 825435, 1192295, 1262430, 1430754, 1650870, 2146131, 2384590, 3576885, 4292262, 7153770, 10730655, 21461310]

約数ペア:

[(1, 21461310), (2, 10730655), (3, 7153770), (5, 4292262), (6, 3576885), (9, 2384590), (10, 2146131), (13, 1650870), (15, 1430754), (17, 1262430), (18, 1192295), (26, 825435), (30, 715377), (34, 631215), (39, 550290), (45, 476918), (51, 420810), (65, 330174), (78, 275145), (83, 258570), (85, 252486), (90, 238459), (102, 210405), (117, 183430), (130, 165087), (153, 140270), (166, 129285), (169, 126990), (170, 126243), (195, 110058), (221, 97110), (234, 91715), (249, 86190), (255, 84162), (306, 70135), (338, 63495), (390, 55029), (415, 51714), (442, 48555), (498, 43095), (507, 42330), (510, 42081), (585, 36686), (663, 32370), (747, 28730), (765, 28054), (830, 25857), (845, 25398), (1014, 21165), (1079, 19890), (1105, 19422), (1170, 18343), (1245, 17238), (1326, 16185), (1411, 15210), (1494, 14365), (1521, 14110), (1530, 14027), (1690, 12699), (1989, 10790), (2158, 9945), (2210, 9711), (2490, 8619), (2535, 8466), (2822, 7605), (2873, 7470), (3042, 7055), (3237, 6630), (3315, 6474), (3735, 5746), (3978, 5395), (4233, 5070)]