21126906

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 28013094

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 243, 261, 486, 522, 783, 1499, 1566, 2349, 2998, 4497, 4698, 7047, 8994, 13491, 14094, 26982, 40473, 43471, 80946, 86942, 121419, 130413, 242838, 260826, 364257, 391239, 728514, 782478, 1173717, 2347434, 3521151, 7042302, 10563453, 21126906]

約数ペア:

[(1, 21126906), (2, 10563453), (3, 7042302), (6, 3521151), (9, 2347434), (18, 1173717), (27, 782478), (29, 728514), (54, 391239), (58, 364257), (81, 260826), (87, 242838), (162, 130413), (174, 121419), (243, 86942), (261, 80946), (486, 43471), (522, 40473), (783, 26982), (1499, 14094), (1566, 13491), (2349, 8994), (2998, 7047), (4497, 4698)]