22620507

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 40320000

約数和(自身を除く): 17699493

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 89, 91, 133, 147, 247, 267, 273, 343, 399, 623, 637, 741, 931, 1029, 1157, 1691, 1729, 1869, 1911, 2793, 3471, 4361, 4459, 5073, 5187, 6517, 8099, 11837, 12103, 13083, 13377, 19551, 21983, 24297, 30527, 35511, 36309, 56693, 65949, 82859, 84721, 91581, 153881, 170079, 248577, 254163, 396851, 461643, 580013, 1077167, 1190553, 1740039, 3231501, 7540169, 22620507]

約数ペア:

[(1, 22620507), (3, 7540169), (7, 3231501), (13, 1740039), (19, 1190553), (21, 1077167), (39, 580013), (49, 461643), (57, 396851), (89, 254163), (91, 248577), (133, 170079), (147, 153881), (247, 91581), (267, 84721), (273, 82859), (343, 65949), (399, 56693), (623, 36309), (637, 35511), (741, 30527), (931, 24297), (1029, 21983), (1157, 19551), (1691, 13377), (1729, 13083), (1869, 12103), (1911, 11837), (2793, 8099), (3471, 6517), (4361, 5187), (4459, 5073)]