21919690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7331}}^1$

素因数の和:7374

約数の個数: 32

約数和(自身を含む): 44343936

約数和(自身を除く): 22424246

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 7331, 14662, 36655, 73310, 95303, 168613, 190606, 337226, 476515, 843065, 953030, 1686130, 2191969, 4383938, 10959845, 21919690]

約数ペア:

[(1, 21919690), (2, 10959845), (5, 4383938), (10, 2191969), (13, 1686130), (23, 953030), (26, 843065), (46, 476515), (65, 337226), (115, 190606), (130, 168613), (230, 95303), (299, 73310), (598, 36655), (1495, 14662), (2990, 7331)]