21306072

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{12161}}^1$

素因数の和:12243

約数の個数: 32

約数和(自身を含む): 53999280

約数和(自身を除く): 32693208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 12161, 24322, 36483, 48644, 72966, 97288, 145932, 291864, 887753, 1775506, 2663259, 3551012, 5326518, 7102024, 10653036, 21306072]

約数ペア:

[(1, 21306072), (2, 10653036), (3, 7102024), (4, 5326518), (6, 3551012), (8, 2663259), (12, 1775506), (24, 887753), (73, 291864), (146, 145932), (219, 97288), (292, 72966), (438, 48644), (584, 36483), (876, 24322), (1752, 12161)]