21632913

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{6211}}^1$

素因数の和:6266

約数の個数: 20

約数和(自身を含む): 33072688

約数和(自身を除く): 11439775

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 6211, 18633, 55899, 167697, 267073, 503091, 801219, 2403657, 7210971, 21632913]

約数ペア:

[(1, 21632913), (3, 7210971), (9, 2403657), (27, 801219), (43, 503091), (81, 267073), (129, 167697), (387, 55899), (1161, 18633), (3483, 6211)]