21989064

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 35164536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 59, 106, 118, 159, 177, 212, 236, 293, 318, 354, 424, 472, 586, 636, 708, 879, 1172, 1272, 1416, 1758, 2344, 3127, 3516, 6254, 7032, 9381, 12508, 15529, 17287, 18762, 25016, 31058, 34574, 37524, 46587, 51861, 62116, 69148, 75048, 93174, 103722, 124232, 138296, 186348, 207444, 372696, 414888, 916211, 1832422, 2748633, 3664844, 5497266, 7329688, 10994532, 21989064]

約数ペア:

[(1, 21989064), (2, 10994532), (3, 7329688), (4, 5497266), (6, 3664844), (8, 2748633), (12, 1832422), (24, 916211), (53, 414888), (59, 372696), (106, 207444), (118, 186348), (159, 138296), (177, 124232), (212, 103722), (236, 93174), (293, 75048), (318, 69148), (354, 62116), (424, 51861), (472, 46587), (586, 37524), (636, 34574), (708, 31058), (879, 25016), (1172, 18762), (1272, 17287), (1416, 15529), (1758, 12508), (2344, 9381), (3127, 7032), (3516, 6254)]