21415368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68639}}^1$

素因数の和:68661

約数の個数: 32

約数和(自身を含む): 57657600

約数和(自身を除く): 36242232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68639, 137278, 205917, 274556, 411834, 549112, 823668, 892307, 1647336, 1784614, 2676921, 3569228, 5353842, 7138456, 10707684, 21415368]

約数ペア:

[(1, 21415368), (2, 10707684), (3, 7138456), (4, 5353842), (6, 3569228), (8, 2676921), (12, 1784614), (13, 1647336), (24, 892307), (26, 823668), (39, 549112), (52, 411834), (78, 274556), (104, 205917), (156, 137278), (312, 68639)]