21759270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55793}}^1$

素因数の和:55816

約数の個数: 32

約数和(自身を含む): 56240352

約数和(自身を除く): 34481082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55793, 111586, 167379, 278965, 334758, 557930, 725309, 836895, 1450618, 1673790, 2175927, 3626545, 4351854, 7253090, 10879635, 21759270]

約数ペア:

[(1, 21759270), (2, 10879635), (3, 7253090), (5, 4351854), (6, 3626545), (10, 2175927), (13, 1673790), (15, 1450618), (26, 836895), (30, 725309), (39, 557930), (65, 334758), (78, 278965), (130, 167379), (195, 111586), (390, 55793)]