210819890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1240117}}^1$

素因数の和:1240141

約数の個数: 16

約数和(自身を含む): 401798232

約数和(自身を除く): 190978342

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1240117, 2480234, 6200585, 12401170, 21081989, 42163978, 105409945, 210819890]

約数ペア:

[(1, 210819890), (2, 105409945), (5, 42163978), (10, 21081989), (17, 12401170), (34, 6200585), (85, 2480234), (170, 1240117)]