21491262

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3217

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30400578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 174, 234, 261, 377, 522, 754, 1131, 2262, 3167, 3393, 6334, 6786, 9501, 19002, 28503, 41171, 57006, 82342, 91843, 123513, 183686, 247026, 275529, 370539, 551058, 741078, 826587, 1193959, 1653174, 2387918, 3581877, 7163754, 10745631, 21491262]

約数ペア:

[(1, 21491262), (2, 10745631), (3, 7163754), (6, 3581877), (9, 2387918), (13, 1653174), (18, 1193959), (26, 826587), (29, 741078), (39, 551058), (58, 370539), (78, 275529), (87, 247026), (117, 183686), (174, 123513), (234, 91843), (261, 82342), (377, 57006), (522, 41171), (754, 28503), (1131, 19002), (2262, 9501), (3167, 6786), (3393, 6334)]