21650690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6703}}^1$

素因数の和:6746

約数の個数: 32

約数和(自身を含む): 43441920

約数和(自身を除く): 21791230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6703, 13406, 33515, 67030, 113951, 127357, 227902, 254714, 569755, 636785, 1139510, 1273570, 2165069, 4330138, 10825345, 21650690]

約数ペア:

[(1, 21650690), (2, 10825345), (5, 4330138), (10, 2165069), (17, 1273570), (19, 1139510), (34, 636785), (38, 569755), (85, 254714), (95, 227902), (170, 127357), (190, 113951), (323, 67030), (646, 33515), (1615, 13406), (3230, 6703)]