21921668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12541}}^1$

素因数の和:12587

約数の個数: 24

約数和(自身を含む): 42141120

約数和(自身を除く): 20219452

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12541, 25082, 50164, 238279, 288443, 476558, 576886, 953116, 1153772, 5480417, 10960834, 21921668]

約数ペア:

[(1, 21921668), (2, 10960834), (4, 5480417), (19, 1153772), (23, 953116), (38, 576886), (46, 476558), (76, 288443), (92, 238279), (437, 50164), (874, 25082), (1748, 12541)]