21956970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5503}}^1$

素因数の和:5539

約数の個数: 64

約数和(自身を含む): 63406080

約数和(自身を除く): 41449110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5503, 11006, 16509, 27515, 33018, 38521, 55030, 77042, 82545, 104557, 115563, 165090, 192605, 209114, 231126, 313671, 385210, 522785, 577815, 627342, 731899, 1045570, 1155630, 1463798, 1568355, 2195697, 3136710, 3659495, 4391394, 7318990, 10978485, 21956970]

約数ペア:

[(1, 21956970), (2, 10978485), (3, 7318990), (5, 4391394), (6, 3659495), (7, 3136710), (10, 2195697), (14, 1568355), (15, 1463798), (19, 1155630), (21, 1045570), (30, 731899), (35, 627342), (38, 577815), (42, 522785), (57, 385210), (70, 313671), (95, 231126), (105, 209114), (114, 192605), (133, 165090), (190, 115563), (210, 104557), (266, 82545), (285, 77042), (399, 55030), (570, 38521), (665, 33018), (798, 27515), (1330, 16509), (1995, 11006), (3990, 5503)]