21719568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34807}}^1$

素因数の和:34831

約数の個数: 40

約数和(自身を含む): 60426688

約数和(自身を除く): 38707120

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34807, 69614, 104421, 139228, 208842, 278456, 417684, 452491, 556912, 835368, 904982, 1357473, 1670736, 1809964, 2714946, 3619928, 5429892, 7239856, 10859784, 21719568]

約数ペア:

[(1, 21719568), (2, 10859784), (3, 7239856), (4, 5429892), (6, 3619928), (8, 2714946), (12, 1809964), (13, 1670736), (16, 1357473), (24, 904982), (26, 835368), (39, 556912), (48, 452491), (52, 417684), (78, 278456), (104, 208842), (156, 139228), (208, 104421), (312, 69614), (624, 34807)]