21279228529

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1\times {\mathrm{827}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 23962055040

約数和(自身を除く): 2682826511

約数列:

[1, 13, 29, 131, 377, 521, 827, 1703, 3799, 6773, 10751, 15109, 23983, 49387, 68251, 108337, 196417, 311779, 430867, 887263, 1408381, 1979279, 3141773, 5601271, 12495143, 25730627, 40843049, 56443577, 162436859, 733766501, 1636863733, 21279228529]

約数ペア:

[(1, 21279228529), (13, 1636863733), (29, 733766501), (131, 162436859), (377, 56443577), (521, 40843049), (827, 25730627), (1703, 12495143), (3799, 5601271), (6773, 3141773), (10751, 1979279), (15109, 1408381), (23983, 887263), (49387, 430867), (68251, 311779), (108337, 196417)]