21218444130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54406267}}^1$

素因数の和:54406290

約数の個数: 32

約数和(自身を含む): 54841518144

約数和(自身を除く): 33623074014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54406267, 108812534, 163218801, 272031335, 326437602, 544062670, 707281471, 816094005, 1414562942, 1632188010, 2121844413, 3536407355, 4243688826, 7072814710, 10609222065, 21218444130]

約数ペア:

[(1, 21218444130), (2, 10609222065), (3, 7072814710), (5, 4243688826), (6, 3536407355), (10, 2121844413), (13, 1632188010), (15, 1414562942), (26, 816094005), (30, 707281471), (39, 544062670), (65, 326437602), (78, 272031335), (130, 163218801), (195, 108812534), (390, 54406267)]