21568228924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{151339}}^1$

素因数の和:151474

約数の個数: 48

約数和(自身を含む): 42714201600

約数和(自身を除く): 21145972676

約数列:

[1, 2, 4, 11, 22, 41, 44, 79, 82, 158, 164, 316, 451, 869, 902, 1738, 1804, 3239, 3476, 6478, 12956, 35629, 71258, 142516, 151339, 302678, 605356, 1664729, 3329458, 6204899, 6658916, 11955781, 12409798, 23911562, 24819596, 47823124, 68253889, 131513591, 136507778, 263027182, 273015556, 490187021, 526054364, 980374042, 1960748084, 5392057231, 10784114462, 21568228924]

約数ペア:

[(1, 21568228924), (2, 10784114462), (4, 5392057231), (11, 1960748084), (22, 980374042), (41, 526054364), (44, 490187021), (79, 273015556), (82, 263027182), (158, 136507778), (164, 131513591), (316, 68253889), (451, 47823124), (869, 24819596), (902, 23911562), (1738, 12409798), (1804, 11955781), (3239, 6658916), (3476, 6204899), (6478, 3329458), (12956, 1664729), (35629, 605356), (71258, 302678), (142516, 151339)]