21352734

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10139}}^1$

素因数の和:10166

約数の個数: 40

約数和(自身を含む): 51531480

約数和(自身を除く): 30178746

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10139, 20278, 30417, 60834, 91251, 131807, 182502, 263614, 273753, 395421, 547506, 790842, 821259, 1186263, 1642518, 2372526, 3558789, 7117578, 10676367, 21352734]

約数ペア:

[(1, 21352734), (2, 10676367), (3, 7117578), (6, 3558789), (9, 2372526), (13, 1642518), (18, 1186263), (26, 821259), (27, 790842), (39, 547506), (54, 395421), (78, 273753), (81, 263614), (117, 182502), (162, 131807), (234, 91251), (351, 60834), (702, 30417), (1053, 20278), (2106, 10139)]