21169676

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 41112960

約数和(自身を除く): 19943284

約数列:

[1, 2, 4, 11, 22, 44, 121, 191, 229, 242, 382, 458, 484, 764, 916, 2101, 2519, 4202, 5038, 8404, 10076, 23111, 27709, 43739, 46222, 55418, 87478, 92444, 110836, 174956, 481129, 962258, 1924516, 5292419, 10584838, 21169676]

約数ペア:

[(1, 21169676), (2, 10584838), (4, 5292419), (11, 1924516), (22, 962258), (44, 481129), (121, 174956), (191, 110836), (229, 92444), (242, 87478), (382, 55418), (458, 46222), (484, 43739), (764, 27709), (916, 23111), (2101, 10076), (2519, 8404), (4202, 5038)]