21915010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5813}}^1$

素因数の和:5862

約数の個数: 32

約数和(自身を含む): 43953840

約数和(自身を除く): 22038830

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5813, 11626, 29065, 58130, 75569, 151138, 168577, 337154, 377845, 755690, 842885, 1685770, 2191501, 4383002, 10957505, 21915010]

約数ペア:

[(1, 21915010), (2, 10957505), (5, 4383002), (10, 2191501), (13, 1685770), (26, 842885), (29, 755690), (58, 377845), (65, 337154), (130, 168577), (145, 151138), (290, 75569), (377, 58130), (754, 29065), (1885, 11626), (3770, 5813)]