21256914238

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{1553}}^1$

素因数の和:1921

約数の個数: 64

約数和(自身を含む): 37755486720

約数和(自身を除く): 16498572482

約数列:

[1, 2, 7, 14, 59, 73, 118, 146, 227, 413, 454, 511, 826, 1022, 1553, 1589, 3106, 3178, 4307, 8614, 10871, 13393, 16571, 21742, 26786, 30149, 33142, 60298, 91627, 93751, 113369, 115997, 183254, 187502, 226738, 231994, 352531, 641389, 705062, 793583, 977689, 1282778, 1587166, 1955378, 2467717, 4935434, 6688771, 6843823, 13377542, 13687646, 20799329, 25734763, 41598658, 46821397, 51469526, 93642794, 145595303, 180143341, 291190606, 360286682, 1518351017, 3036702034, 10628457119, 21256914238]

約数ペア:

[(1, 21256914238), (2, 10628457119), (7, 3036702034), (14, 1518351017), (59, 360286682), (73, 291190606), (118, 180143341), (146, 145595303), (227, 93642794), (413, 51469526), (454, 46821397), (511, 41598658), (826, 25734763), (1022, 20799329), (1553, 13687646), (1589, 13377542), (3106, 6843823), (3178, 6688771), (4307, 4935434), (8614, 2467717), (10871, 1955378), (13393, 1587166), (16571, 1282778), (21742, 977689), (26786, 793583), (30149, 705062), (33142, 641389), (60298, 352531), (91627, 231994), (93751, 226738), (113369, 187502), (115997, 183254)]