21493512

素因数分解:

$2^3\times 3^4\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 61746300

約数和(自身を除く): 40252788

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 81, 82, 108, 123, 162, 164, 216, 246, 324, 328, 369, 492, 648, 738, 809, 984, 1107, 1476, 1618, 2214, 2427, 2952, 3236, 3321, 4428, 4854, 6472, 6642, 7281, 8856, 9708, 13284, 14562, 19416, 21843, 26568, 29124, 33169, 43686, 58248, 65529, 66338, 87372, 99507, 131058, 132676, 174744, 199014, 262116, 265352, 298521, 398028, 524232, 597042, 796056, 895563, 1194084, 1791126, 2388168, 2686689, 3582252, 5373378, 7164504, 10746756, 21493512]

約数ペア:

[(1, 21493512), (2, 10746756), (3, 7164504), (4, 5373378), (6, 3582252), (8, 2686689), (9, 2388168), (12, 1791126), (18, 1194084), (24, 895563), (27, 796056), (36, 597042), (41, 524232), (54, 398028), (72, 298521), (81, 265352), (82, 262116), (108, 199014), (123, 174744), (162, 132676), (164, 131058), (216, 99507), (246, 87372), (324, 66338), (328, 65529), (369, 58248), (492, 43686), (648, 33169), (738, 29124), (809, 26568), (984, 21843), (1107, 19416), (1476, 14562), (1618, 13284), (2214, 9708), (2427, 8856), (2952, 7281), (3236, 6642), (3321, 6472), (4428, 4854)]