21000918074

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{190699}}^1$

素因数の和:190838

約数の個数: 32

約数和(自身を含む): 34600608000

約数和(自身を除く): 13599689926

約数列:

[1, 2, 17, 34, 41, 79, 82, 158, 697, 1343, 1394, 2686, 3239, 6478, 55063, 110126, 190699, 381398, 3241883, 6483766, 7818659, 15065221, 15637318, 30130442, 132917203, 256108757, 265834406, 512217514, 617674061, 1235348122, 10500459037, 21000918074]

約数ペア:

[(1, 21000918074), (2, 10500459037), (17, 1235348122), (34, 617674061), (41, 512217514), (79, 265834406), (82, 256108757), (158, 132917203), (697, 30130442), (1343, 15637318), (1394, 15065221), (2686, 7818659), (3239, 6483766), (6478, 3241883), (55063, 381398), (110126, 190699)]