21221686066

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{383}}^1\times {\mathrm{4127}}^1$

素因数の和:4663

約数の個数: 48

約数和(自身を含む): 37406416896

約数和(自身を除く): 16184730830

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 383, 766, 959, 1918, 2681, 4127, 5362, 6713, 8254, 13426, 18767, 28889, 37534, 52471, 57778, 104942, 202223, 367297, 404446, 565399, 734594, 1130798, 1580641, 2571079, 3161282, 3957793, 5142158, 7915586, 11064487, 22128974, 27704551, 55409102, 77451409, 154902818, 216547817, 433095634, 1515834719, 3031669438, 10610843033, 21221686066]

約数ペア:

[(1, 21221686066), (2, 10610843033), (7, 3031669438), (14, 1515834719), (49, 433095634), (98, 216547817), (137, 154902818), (274, 77451409), (383, 55409102), (766, 27704551), (959, 22128974), (1918, 11064487), (2681, 7915586), (4127, 5142158), (5362, 3957793), (6713, 3161282), (8254, 2571079), (13426, 1580641), (18767, 1130798), (28889, 734594), (37534, 565399), (52471, 404446), (57778, 367297), (104942, 202223)]