21343842

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1795

約数の個数: 48

約数和(自身を含む): 50771448

約数和(自身を除く): 29427606

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 1721, 2067, 3442, 4134, 5163, 6201, 10326, 12402, 15489, 22373, 30978, 44746, 67119, 91213, 134238, 182426, 201357, 273639, 402714, 547278, 820917, 1185769, 1641834, 2371538, 3557307, 7114614, 10671921, 21343842]

約数ペア:

[(1, 21343842), (2, 10671921), (3, 7114614), (6, 3557307), (9, 2371538), (13, 1641834), (18, 1185769), (26, 820917), (39, 547278), (53, 402714), (78, 273639), (106, 201357), (117, 182426), (159, 134238), (234, 91213), (318, 67119), (477, 44746), (689, 30978), (954, 22373), (1378, 15489), (1721, 12402), (2067, 10326), (3442, 6201), (4134, 5163)]