21084564108

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{248627}}^1$

素因数の和:248862

約数の個数: 48

約数和(自身を含む): 50791716864

約数和(自身を除く): 29707152756

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 191, 222, 382, 444, 573, 764, 1146, 2292, 7067, 14134, 21201, 28268, 42402, 84804, 248627, 497254, 745881, 994508, 1491762, 2983524, 9199199, 18398398, 27597597, 36796796, 47487757, 55195194, 94975514, 110390388, 142463271, 189951028, 284926542, 569853084, 1757047009, 3514094018, 5271141027, 7028188036, 10542282054, 21084564108]

約数ペア:

[(1, 21084564108), (2, 10542282054), (3, 7028188036), (4, 5271141027), (6, 3514094018), (12, 1757047009), (37, 569853084), (74, 284926542), (111, 189951028), (148, 142463271), (191, 110390388), (222, 94975514), (382, 55195194), (444, 47487757), (573, 36796796), (764, 27597597), (1146, 18398398), (2292, 9199199), (7067, 2983524), (14134, 1491762), (21201, 994508), (28268, 745881), (42402, 497254), (84804, 248627)]