21009510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77813}}^1$

素因数の和:77829

約数の個数: 32

約数和(自身を含む): 56026080

約数和(自身を除く): 35016570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77813, 155626, 233439, 389065, 466878, 700317, 778130, 1167195, 1400634, 2100951, 2334390, 3501585, 4201902, 7003170, 10504755, 21009510]

約数ペア:

[(1, 21009510), (2, 10504755), (3, 7003170), (5, 4201902), (6, 3501585), (9, 2334390), (10, 2100951), (15, 1400634), (18, 1167195), (27, 778130), (30, 700317), (45, 466878), (54, 389065), (90, 233439), (135, 155626), (270, 77813)]