21002790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36847}}^1$

素因数の和:36876

約数の個数: 32

約数和(自身を含む): 53061120

約数和(自身を除く): 32058330

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 36847, 73694, 110541, 184235, 221082, 368470, 552705, 700093, 1105410, 1400186, 2100279, 3500465, 4200558, 7000930, 10501395, 21002790]

約数ペア:

[(1, 21002790), (2, 10501395), (3, 7000930), (5, 4200558), (6, 3500465), (10, 2100279), (15, 1400186), (19, 1105410), (30, 700093), (38, 552705), (57, 368470), (95, 221082), (114, 184235), (190, 110541), (285, 73694), (570, 36847)]