21215032

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{6299}}^1$

素因数の和:6726

約数の個数: 16

約数和(自身を含む): 39879000

約数和(自身を除く): 18663968

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 6299, 12598, 25196, 50392, 2651879, 5303758, 10607516, 21215032]

約数ペア:

[(1, 21215032), (2, 10607516), (4, 5303758), (8, 2651879), (421, 50392), (842, 25196), (1684, 12598), (3368, 6299)]