21000585974

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1\times {\mathrm{198377}}^1$

素因数の和:199711

約数の個数: 16

約数和(自身を含む): 32294351376

約数和(自身を除く): 11293765402

約数列:

[1, 2, 41, 82, 1291, 2582, 52931, 105862, 198377, 396754, 8133457, 16266914, 256104707, 512209414, 10500292987, 21000585974]

約数ペア:

[(1, 21000585974), (2, 10500292987), (41, 512209414), (82, 256104707), (1291, 16266914), (2582, 8133457), (52931, 396754), (105862, 198377)]