21910421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 24858624

約数和(自身を除く): 2948203

約数列:

[1, 13, 23, 127, 299, 577, 1651, 2921, 7501, 13271, 37973, 73279, 172523, 952627, 1685417, 21910421]

約数ペア:

[(1, 21910421), (13, 1685417), (23, 952627), (127, 172523), (299, 73279), (577, 37973), (1651, 13271), (2921, 7501)]