21983910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56369}}^1$

素因数の和:56392

約数の個数: 32

約数和(自身を含む): 56820960

約数和(自身を除く): 34837050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 56369, 112738, 169107, 281845, 338214, 563690, 732797, 845535, 1465594, 1691070, 2198391, 3663985, 4396782, 7327970, 10991955, 21983910]

約数ペア:

[(1, 21983910), (2, 10991955), (3, 7327970), (5, 4396782), (6, 3663985), (10, 2198391), (13, 1691070), (15, 1465594), (26, 845535), (30, 732797), (39, 563690), (65, 338214), (78, 281845), (130, 169107), (195, 112738), (390, 56369)]