21141610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2027}}^1$

素因数の和:2190

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 22663190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2027, 2086, 4054, 5215, 10135, 10430, 14189, 20270, 28378, 70945, 141890, 302023, 604046, 1510115, 2114161, 3020230, 4228322, 10570805, 21141610]

約数ペア:

[(1, 21141610), (2, 10570805), (5, 4228322), (7, 3020230), (10, 2114161), (14, 1510115), (35, 604046), (70, 302023), (149, 141890), (298, 70945), (745, 28378), (1043, 20270), (1490, 14189), (2027, 10430), (2086, 10135), (4054, 5215)]