21073624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 47124000

約数和(自身を除く): 26050376

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 109, 143, 169, 218, 286, 338, 436, 572, 676, 872, 1144, 1199, 1352, 1417, 1859, 2197, 2398, 2834, 3718, 4394, 4796, 5668, 7436, 8788, 9592, 11336, 14872, 15587, 17576, 18421, 24167, 31174, 36842, 48334, 62348, 73684, 96668, 124696, 147368, 193336, 202631, 239473, 405262, 478946, 810524, 957892, 1621048, 1915784, 2634203, 5268406, 10536812, 21073624]

約数ペア:

[(1, 21073624), (2, 10536812), (4, 5268406), (8, 2634203), (11, 1915784), (13, 1621048), (22, 957892), (26, 810524), (44, 478946), (52, 405262), (88, 239473), (104, 202631), (109, 193336), (143, 147368), (169, 124696), (218, 96668), (286, 73684), (338, 62348), (436, 48334), (572, 36842), (676, 31174), (872, 24167), (1144, 18421), (1199, 17576), (1352, 15587), (1417, 14872), (1859, 11336), (2197, 9592), (2398, 8788), (2834, 7436), (3718, 5668), (4394, 4796)]