21796723205

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1\times {\mathrm{1459}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 27266025600

約数和(自身を除く): 5469302395

約数列:

[1, 5, 29, 145, 197, 523, 985, 1459, 2615, 5713, 7295, 15167, 28565, 42311, 75835, 103031, 211555, 287423, 515155, 763057, 1437115, 2987899, 3815285, 8335267, 14939495, 22128653, 41676335, 110643265, 150322229, 751611145, 4359344641, 21796723205]

約数ペア:

[(1, 21796723205), (5, 4359344641), (29, 751611145), (145, 150322229), (197, 110643265), (523, 41676335), (985, 22128653), (1459, 14939495), (2615, 8335267), (5713, 3815285), (7295, 2987899), (15167, 1437115), (28565, 763057), (42311, 515155), (75835, 287423), (103031, 211555)]