21336450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 53466816

約数和(自身を除く): 32130366

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 103, 150, 206, 309, 515, 618, 1030, 1381, 1545, 2575, 2762, 3090, 4143, 5150, 6905, 7725, 8286, 13810, 15450, 20715, 34525, 41430, 69050, 103575, 142243, 207150, 284486, 426729, 711215, 853458, 1422430, 2133645, 3556075, 4267290, 7112150, 10668225, 21336450]

約数ペア:

[(1, 21336450), (2, 10668225), (3, 7112150), (5, 4267290), (6, 3556075), (10, 2133645), (15, 1422430), (25, 853458), (30, 711215), (50, 426729), (75, 284486), (103, 207150), (150, 142243), (206, 103575), (309, 69050), (515, 41430), (618, 34525), (1030, 20715), (1381, 15450), (1545, 13810), (2575, 8286), (2762, 7725), (3090, 6905), (4143, 5150)]