2021031145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1\times {\mathrm{1951}}^1$

素因数の和:3721

約数の個数: 32

約数和(自身を含む): 2937931776

約数和(自身を除く): 916900631

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 1741, 1951, 8705, 9755, 12187, 13657, 29597, 33167, 60935, 68285, 147985, 165835, 207179, 232169, 1035895, 1160845, 3396691, 16983455, 23776837, 57743747, 118884185, 288718735, 404206229, 2021031145]

約数ペア:

[(1, 2021031145), (5, 404206229), (7, 288718735), (17, 118884185), (35, 57743747), (85, 23776837), (119, 16983455), (595, 3396691), (1741, 1160845), (1951, 1035895), (8705, 232169), (9755, 207179), (12187, 165835), (13657, 147985), (29597, 68285), (33167, 60935)]