21579324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 37126596

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 79, 102, 103, 156, 158, 204, 206, 221, 237, 309, 316, 412, 442, 474, 618, 663, 884, 948, 1027, 1236, 1326, 1339, 1343, 1751, 2054, 2652, 2678, 2686, 3081, 3502, 4017, 4029, 4108, 5253, 5356, 5372, 6162, 7004, 8034, 8058, 8137, 10506, 12324, 16068, 16116, 16274, 17459, 21012, 22763, 24411, 32548, 34918, 45526, 48822, 52377, 68289, 69836, 91052, 97644, 104754, 105781, 136578, 138329, 209508, 211562, 273156, 276658, 317343, 414987, 423124, 553316, 634686, 829974, 1269372, 1659948, 1798277, 3596554, 5394831, 7193108, 10789662, 21579324]

約数ペア:

[(1, 21579324), (2, 10789662), (3, 7193108), (4, 5394831), (6, 3596554), (12, 1798277), (13, 1659948), (17, 1269372), (26, 829974), (34, 634686), (39, 553316), (51, 423124), (52, 414987), (68, 317343), (78, 276658), (79, 273156), (102, 211562), (103, 209508), (156, 138329), (158, 136578), (204, 105781), (206, 104754), (221, 97644), (237, 91052), (309, 69836), (316, 68289), (412, 52377), (442, 48822), (474, 45526), (618, 34918), (663, 32548), (884, 24411), (948, 22763), (1027, 21012), (1236, 17459), (1326, 16274), (1339, 16116), (1343, 16068), (1751, 12324), (2054, 10506), (2652, 8137), (2678, 8058), (2686, 8034), (3081, 7004), (3502, 6162), (4017, 5372), (4029, 5356), (4108, 5253)]