21884076

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 57721664

約数和(自身を除く): 35837588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 201, 211, 258, 268, 387, 402, 422, 516, 603, 633, 774, 804, 844, 1206, 1266, 1548, 1899, 2412, 2532, 2881, 3798, 5762, 7596, 8643, 9073, 11524, 14137, 17286, 18146, 25929, 27219, 28274, 34572, 36292, 42411, 51858, 54438, 56548, 81657, 84822, 103716, 108876, 127233, 163314, 169644, 254466, 326628, 508932, 607891, 1215782, 1823673, 2431564, 3647346, 5471019, 7294692, 10942038, 21884076]

約数ペア:

[(1, 21884076), (2, 10942038), (3, 7294692), (4, 5471019), (6, 3647346), (9, 2431564), (12, 1823673), (18, 1215782), (36, 607891), (43, 508932), (67, 326628), (86, 254466), (129, 169644), (134, 163314), (172, 127233), (201, 108876), (211, 103716), (258, 84822), (268, 81657), (387, 56548), (402, 54438), (422, 51858), (516, 42411), (603, 36292), (633, 34572), (774, 28274), (804, 27219), (844, 25929), (1206, 18146), (1266, 17286), (1548, 14137), (1899, 11524), (2412, 9073), (2532, 8643), (2881, 7596), (3798, 5762)]