21849956

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 39190200

約数和(自身を除く): 17340244

約数列:

[1, 2, 4, 61, 122, 149, 244, 298, 596, 601, 1202, 2404, 9089, 18178, 36356, 36661, 73322, 89549, 146644, 179098, 358196, 5462489, 10924978, 21849956]

約数ペア:

[(1, 21849956), (2, 10924978), (4, 5462489), (61, 358196), (122, 179098), (149, 146644), (244, 89549), (298, 73322), (596, 36661), (601, 36356), (1202, 18178), (2404, 9089)]