21198684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10453}}^1$

素因数の和:10486

約数の個数: 36

約数和(自身を含む): 53566296

約数和(自身を除く): 32367612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10453, 20906, 31359, 41812, 62718, 125436, 135889, 271778, 407667, 543556, 815334, 1630668, 1766557, 3533114, 5299671, 7066228, 10599342, 21198684]

約数ペア:

[(1, 21198684), (2, 10599342), (3, 7066228), (4, 5299671), (6, 3533114), (12, 1766557), (13, 1630668), (26, 815334), (39, 543556), (52, 407667), (78, 271778), (156, 135889), (169, 125436), (338, 62718), (507, 41812), (676, 31359), (1014, 20906), (2028, 10453)]