21206966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41911}}^1$

素因数の和:41947

約数の個数: 16

約数和(自身を含む): 36211968

約数和(自身を除く): 15005002

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41911, 83822, 461021, 922042, 963953, 1927906, 10603483, 21206966]

約数ペア:

[(1, 21206966), (2, 10603483), (11, 1927906), (22, 963953), (23, 922042), (46, 461021), (253, 83822), (506, 41911)]