21711816952

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{658253}}^1$

素因数の和:658316

約数の個数: 64

約数和(自身を含む): 50553907200

約数和(自身を除く): 28842090248

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 4123, 4712, 8246, 16492, 32984, 658253, 1316506, 2633012, 4607771, 5266024, 9215542, 12506807, 18431084, 20405843, 25013614, 36862168, 40811686, 50027228, 81623372, 87547649, 100054456, 142840901, 163246744, 175095298, 285681802, 350190596, 387711017, 571363604, 700381192, 775422034, 1142727208, 1550844068, 2713977119, 3101688136, 5427954238, 10855908476, 21711816952]

約数ペア:

[(1, 21711816952), (2, 10855908476), (4, 5427954238), (7, 3101688136), (8, 2713977119), (14, 1550844068), (19, 1142727208), (28, 775422034), (31, 700381192), (38, 571363604), (56, 387711017), (62, 350190596), (76, 285681802), (124, 175095298), (133, 163246744), (152, 142840901), (217, 100054456), (248, 87547649), (266, 81623372), (434, 50027228), (532, 40811686), (589, 36862168), (868, 25013614), (1064, 20405843), (1178, 18431084), (1736, 12506807), (2356, 9215542), (4123, 5266024), (4712, 4607771), (8246, 2633012), (16492, 1316506), (32984, 658253)]