21688530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23321}}^1$

素因数の和:23362

約数の個数: 32

約数和(自身を含む): 53733888

約数和(自身を除く): 32045358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23321, 46642, 69963, 116605, 139926, 233210, 349815, 699630, 722951, 1445902, 2168853, 3614755, 4337706, 7229510, 10844265, 21688530]

約数ペア:

[(1, 21688530), (2, 10844265), (3, 7229510), (5, 4337706), (6, 3614755), (10, 2168853), (15, 1445902), (30, 722951), (31, 699630), (62, 349815), (93, 233210), (155, 139926), (186, 116605), (310, 69963), (465, 46642), (930, 23321)]