21764526

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 51040080

約数和(自身を除く): 29275554

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 181, 294, 362, 409, 543, 818, 1086, 1227, 1267, 2454, 2534, 2863, 3801, 5726, 7602, 8589, 8869, 17178, 17738, 20041, 26607, 40082, 53214, 60123, 74029, 120246, 148058, 222087, 444174, 518203, 1036406, 1554609, 3109218, 3627421, 7254842, 10882263, 21764526]

約数ペア:

[(1, 21764526), (2, 10882263), (3, 7254842), (6, 3627421), (7, 3109218), (14, 1554609), (21, 1036406), (42, 518203), (49, 444174), (98, 222087), (147, 148058), (181, 120246), (294, 74029), (362, 60123), (409, 53214), (543, 40082), (818, 26607), (1086, 20041), (1227, 17738), (1267, 17178), (2454, 8869), (2534, 8589), (2863, 7602), (3801, 5726)]