21428129470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4157}}^1\times {\mathrm{46861}}^1$

素因数の和:51036

約数の個数: 32

約数和(自身を含む): 42088074336

約数和(自身を除く): 20659944866

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 4157, 8314, 20785, 41570, 45727, 46861, 91454, 93722, 228635, 234305, 457270, 468610, 515471, 1030942, 2577355, 5154710, 194801177, 389602354, 974005885, 1948011770, 2142812947, 4285625894, 10714064735, 21428129470]

約数ペア:

[(1, 21428129470), (2, 10714064735), (5, 4285625894), (10, 2142812947), (11, 1948011770), (22, 974005885), (55, 389602354), (110, 194801177), (4157, 5154710), (8314, 2577355), (20785, 1030942), (41570, 515471), (45727, 468610), (46861, 457270), (91454, 234305), (93722, 228635)]