21375753

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11437}}^1$

素因数の和:11536

約数の個数: 16

約数和(自身を含む): 32941440

約数和(自身を除く): 11565687

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11437, 34311, 80059, 240177, 1017893, 3053679, 7125251, 21375753]

約数ペア:

[(1, 21375753), (3, 7125251), (7, 3053679), (21, 1017893), (89, 240177), (267, 80059), (623, 34311), (1869, 11437)]