21716838

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 108

約数和(自身を含む): 56953260

約数和(自身を除く): 35236422

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 59, 66, 78, 99, 117, 118, 121, 143, 169, 177, 198, 234, 242, 286, 338, 354, 363, 429, 507, 531, 649, 726, 767, 858, 1014, 1062, 1089, 1287, 1298, 1521, 1534, 1573, 1859, 1947, 2178, 2301, 2574, 3042, 3146, 3718, 3894, 4602, 4719, 5577, 5841, 6903, 7139, 8437, 9438, 9971, 11154, 11682, 13806, 14157, 14278, 16731, 16874, 19942, 20449, 21417, 25311, 28314, 29913, 33462, 40898, 42834, 50622, 59826, 61347, 64251, 75933, 89739, 92807, 109681, 122694, 128502, 151866, 179478, 184041, 185614, 219362, 278421, 329043, 368082, 556842, 658086, 835263, 987129, 1206491, 1670526, 1974258, 2412982, 3619473, 7238946, 10858419, 21716838]

約数ペア:

[(1, 21716838), (2, 10858419), (3, 7238946), (6, 3619473), (9, 2412982), (11, 1974258), (13, 1670526), (18, 1206491), (22, 987129), (26, 835263), (33, 658086), (39, 556842), (59, 368082), (66, 329043), (78, 278421), (99, 219362), (117, 185614), (118, 184041), (121, 179478), (143, 151866), (169, 128502), (177, 122694), (198, 109681), (234, 92807), (242, 89739), (286, 75933), (338, 64251), (354, 61347), (363, 59826), (429, 50622), (507, 42834), (531, 40898), (649, 33462), (726, 29913), (767, 28314), (858, 25311), (1014, 21417), (1062, 20449), (1089, 19942), (1287, 16874), (1298, 16731), (1521, 14278), (1534, 14157), (1573, 13806), (1859, 11682), (1947, 11154), (2178, 9971), (2301, 9438), (2574, 8437), (3042, 7139), (3146, 6903), (3718, 5841), (3894, 5577), (4602, 4719)]