21137555830

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7469101}}^1$

素因数の和:7469391

約数の個数: 16

約数和(自身を含む): 38182049424

約数和(自身を除く): 17044493594

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 7469101, 14938202, 37345505, 74691010, 2113755583, 4227511166, 10568777915, 21137555830]

約数ペア:

[(1, 21137555830), (2, 10568777915), (5, 4227511166), (10, 2113755583), (283, 74691010), (566, 37345505), (1415, 14938202), (2830, 7469101)]