21803617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 2690783

約数列:

[1, 11, 53, 149, 251, 583, 1639, 2761, 7897, 13303, 37399, 86867, 146333, 411389, 1982147, 21803617]

約数ペア:

[(1, 21803617), (11, 1982147), (53, 411389), (149, 146333), (251, 86867), (583, 37399), (1639, 13303), (2761, 7897)]