21578790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23203}}^1$

素因数の和:23244

約数の個数: 32

約数和(自身を含む): 53462016

約数和(自身を除く): 31883226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23203, 46406, 69609, 116015, 139218, 232030, 348045, 696090, 719293, 1438586, 2157879, 3596465, 4315758, 7192930, 10789395, 21578790]

約数ペア:

[(1, 21578790), (2, 10789395), (3, 7192930), (5, 4315758), (6, 3596465), (10, 2157879), (15, 1438586), (30, 719293), (31, 696090), (62, 348045), (93, 232030), (155, 139218), (186, 116015), (310, 69609), (465, 46406), (930, 23203)]