21225320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23071}}^1$

素因数の和:23105

約数の個数: 32

約数和(自身を含む): 49835520

約数和(自身を除く): 28610200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23071, 46142, 92284, 115355, 184568, 230710, 461420, 530633, 922840, 1061266, 2122532, 2653165, 4245064, 5306330, 10612660, 21225320]

約数ペア:

[(1, 21225320), (2, 10612660), (4, 5306330), (5, 4245064), (8, 2653165), (10, 2122532), (20, 1061266), (23, 922840), (40, 530633), (46, 461420), (92, 230710), (115, 184568), (184, 115355), (230, 92284), (460, 46142), (920, 23071)]