21213030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7001}}^1$

素因数の和:7112

約数の個数: 32

約数和(自身を含む): 51422688

約数和(自身を除く): 30209658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 7001, 14002, 21003, 35005, 42006, 70010, 105015, 210030, 707101, 1414202, 2121303, 3535505, 4242606, 7071010, 10606515, 21213030]

約数ペア:

[(1, 21213030), (2, 10606515), (3, 7071010), (5, 4242606), (6, 3535505), (10, 2121303), (15, 1414202), (30, 707101), (101, 210030), (202, 105015), (303, 70010), (505, 42006), (606, 35005), (1010, 21003), (1515, 14002), (3030, 7001)]