21267684

素因数分解:

$2^2\times 3^4\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1658

約数の個数: 60

約数和(自身を含む): 56989548

約数和(自身を除く): 35721864

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 246, 324, 369, 492, 738, 1107, 1476, 1601, 2214, 3202, 3321, 4428, 4803, 6404, 6642, 9606, 13284, 14409, 19212, 28818, 43227, 57636, 65641, 86454, 129681, 131282, 172908, 196923, 259362, 262564, 393846, 518724, 590769, 787692, 1181538, 1772307, 2363076, 3544614, 5316921, 7089228, 10633842, 21267684]

約数ペア:

[(1, 21267684), (2, 10633842), (3, 7089228), (4, 5316921), (6, 3544614), (9, 2363076), (12, 1772307), (18, 1181538), (27, 787692), (36, 590769), (41, 518724), (54, 393846), (81, 262564), (82, 259362), (108, 196923), (123, 172908), (162, 131282), (164, 129681), (246, 86454), (324, 65641), (369, 57636), (492, 43227), (738, 28818), (1107, 19212), (1476, 14409), (1601, 13284), (2214, 9606), (3202, 6642), (3321, 6404), (4428, 4803)]