21965014740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1\times {\mathrm{2777}}^1$

素因数の和:3577

約数の個数: 96

約数和(自身を含む): 61892417664

約数和(自身を除く): 39927402924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 547, 723, 964, 1094, 1205, 1446, 1641, 2188, 2410, 2735, 2777, 2892, 3282, 3615, 4820, 5470, 5554, 6564, 7230, 8205, 8331, 10940, 11108, 13885, 14460, 16410, 16662, 27770, 32820, 33324, 41655, 55540, 83310, 131827, 166620, 263654, 395481, 527308, 659135, 669257, 790962, 1318270, 1338514, 1519019, 1581924, 1977405, 2007771, 2636540, 2677028, 3038038, 3346285, 3954810, 4015542, 4557057, 6076076, 6692570, 7595095, 7909620, 8031084, 9114114, 10038855, 13385140, 15190190, 18228228, 20077710, 22785285, 30380380, 40155420, 45570570, 91141140, 366083579, 732167158, 1098250737, 1464334316, 1830417895, 2196501474, 3660835790, 4393002948, 5491253685, 7321671580, 10982507370, 21965014740]

約数ペア:

[(1, 21965014740), (2, 10982507370), (3, 7321671580), (4, 5491253685), (5, 4393002948), (6, 3660835790), (10, 2196501474), (12, 1830417895), (15, 1464334316), (20, 1098250737), (30, 732167158), (60, 366083579), (241, 91141140), (482, 45570570), (547, 40155420), (723, 30380380), (964, 22785285), (1094, 20077710), (1205, 18228228), (1446, 15190190), (1641, 13385140), (2188, 10038855), (2410, 9114114), (2735, 8031084), (2777, 7909620), (2892, 7595095), (3282, 6692570), (3615, 6076076), (4820, 4557057), (5470, 4015542), (5554, 3954810), (6564, 3346285), (7230, 3038038), (8205, 2677028), (8331, 2636540), (10940, 2007771), (11108, 1977405), (13885, 1581924), (14460, 1519019), (16410, 1338514), (16662, 1318270), (27770, 790962), (32820, 669257), (33324, 659135), (41655, 527308), (55540, 395481), (83310, 263654), (131827, 166620)]