21000907995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45163243}}^1$

素因数の和:45163282

約数の個数: 16

約数和(自身を含む): 34685371392

約数和(自身を除く): 13684463397

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45163243, 135489729, 225816215, 677448645, 1400060533, 4200181599, 7000302665, 21000907995]

約数ペア:

[(1, 21000907995), (3, 7000302665), (5, 4200181599), (15, 1400060533), (31, 677448645), (93, 225816215), (155, 135489729), (465, 45163243)]