21390363484

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1\times {\mathrm{13043}}^1$

素因数の和:14674

約数の個数: 48

約数和(自身を含む): 43968089088

約数和(自身を除く): 22577725604

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1583, 3166, 6332, 11081, 13043, 22162, 26086, 44324, 52172, 58571, 91301, 117142, 182602, 234284, 365204, 409997, 482591, 819994, 965182, 1639988, 1930364, 3378137, 6756274, 13512548, 20647069, 41294138, 82588276, 144529483, 289058966, 578117932, 763941553, 1527883106, 3055766212, 5347590871, 10695181742, 21390363484]

約数ペア:

[(1, 21390363484), (2, 10695181742), (4, 5347590871), (7, 3055766212), (14, 1527883106), (28, 763941553), (37, 578117932), (74, 289058966), (148, 144529483), (259, 82588276), (518, 41294138), (1036, 20647069), (1583, 13512548), (3166, 6756274), (6332, 3378137), (11081, 1930364), (13043, 1639988), (22162, 965182), (26086, 819994), (44324, 482591), (52172, 409997), (58571, 365204), (91301, 234284), (117142, 182602)]