21629971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 24588288

約数和(自身を除く): 2958317

約数列:

[1, 11, 31, 137, 341, 463, 1507, 4247, 5093, 14353, 46717, 63431, 157883, 697741, 1966361, 21629971]

約数ペア:

[(1, 21629971), (11, 1966361), (31, 697741), (137, 157883), (341, 63431), (463, 46717), (1507, 14353), (4247, 5093)]