21456450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{47681}}^1$

素因数の和:47699

約数の個数: 36

約数和(自身を含む): 57647538

約数和(自身を除く): 36191088

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 47681, 95362, 143043, 238405, 286086, 429129, 476810, 715215, 858258, 1192025, 1430430, 2145645, 2384050, 3576075, 4291290, 7152150, 10728225, 21456450]

約数ペア:

[(1, 21456450), (2, 10728225), (3, 7152150), (5, 4291290), (6, 3576075), (9, 2384050), (10, 2145645), (15, 1430430), (18, 1192025), (25, 858258), (30, 715215), (45, 476810), (50, 429129), (75, 286086), (90, 238405), (150, 143043), (225, 95362), (450, 47681)]