21351816

素因数分解:

$2^3\times 3^3\times {\mathrm{41}}^1\times {\mathrm{2411}}^1$

素因数の和:2467

約数の個数: 64

約数和(自身を含む): 60782400

約数和(自身を除く): 39430584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 82, 108, 123, 164, 216, 246, 328, 369, 492, 738, 984, 1107, 1476, 2214, 2411, 2952, 4428, 4822, 7233, 8856, 9644, 14466, 19288, 21699, 28932, 43398, 57864, 65097, 86796, 98851, 130194, 173592, 197702, 260388, 296553, 395404, 520776, 593106, 790808, 889659, 1186212, 1779318, 2372424, 2668977, 3558636, 5337954, 7117272, 10675908, 21351816]

約数ペア:

[(1, 21351816), (2, 10675908), (3, 7117272), (4, 5337954), (6, 3558636), (8, 2668977), (9, 2372424), (12, 1779318), (18, 1186212), (24, 889659), (27, 790808), (36, 593106), (41, 520776), (54, 395404), (72, 296553), (82, 260388), (108, 197702), (123, 173592), (164, 130194), (216, 98851), (246, 86796), (328, 65097), (369, 57864), (492, 43398), (738, 28932), (984, 21699), (1107, 19288), (1476, 14466), (2214, 9644), (2411, 8856), (2952, 7233), (4428, 4822)]