21897132380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1\times {\mathrm{11987}}^1$

素因数の和:12758

約数の個数: 48

約数和(自身を含む): 46371981600

約数和(自身を除く): 24474849220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 613, 745, 1226, 1490, 2452, 2980, 3065, 6130, 11987, 12260, 23974, 47948, 59935, 91337, 119870, 182674, 239740, 365348, 456685, 913370, 1786063, 1826740, 3572126, 7144252, 7348031, 8930315, 14696062, 17860630, 29392124, 35721260, 36740155, 73480310, 146960620, 1094856619, 2189713238, 4379426476, 5474283095, 10948566190, 21897132380]

約数ペア:

[(1, 21897132380), (2, 10948566190), (4, 5474283095), (5, 4379426476), (10, 2189713238), (20, 1094856619), (149, 146960620), (298, 73480310), (596, 36740155), (613, 35721260), (745, 29392124), (1226, 17860630), (1490, 14696062), (2452, 8930315), (2980, 7348031), (3065, 7144252), (6130, 3572126), (11987, 1826740), (12260, 1786063), (23974, 913370), (47948, 456685), (59935, 365348), (91337, 239740), (119870, 182674)]