21879252

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 57622656

約数和(自身を除く): 35743404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 67, 94, 134, 141, 188, 193, 201, 268, 282, 386, 402, 423, 564, 579, 603, 772, 804, 846, 1158, 1206, 1692, 1737, 2316, 2412, 3149, 3474, 6298, 6948, 9071, 9447, 12596, 12931, 18142, 18894, 25862, 27213, 28341, 36284, 37788, 38793, 51724, 54426, 56682, 77586, 81639, 108852, 113364, 116379, 155172, 163278, 232758, 326556, 465516, 607757, 1215514, 1823271, 2431028, 3646542, 5469813, 7293084, 10939626, 21879252]

約数ペア:

[(1, 21879252), (2, 10939626), (3, 7293084), (4, 5469813), (6, 3646542), (9, 2431028), (12, 1823271), (18, 1215514), (36, 607757), (47, 465516), (67, 326556), (94, 232758), (134, 163278), (141, 155172), (188, 116379), (193, 113364), (201, 108852), (268, 81639), (282, 77586), (386, 56682), (402, 54426), (423, 51724), (564, 38793), (579, 37788), (603, 36284), (772, 28341), (804, 27213), (846, 25862), (1158, 18894), (1206, 18142), (1692, 12931), (1737, 12596), (2316, 9447), (2412, 9071), (3149, 6948), (3474, 6298)]