21478056

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 59070240

約数和(自身を除く): 37592184

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 67, 74, 76, 111, 114, 134, 148, 152, 201, 222, 228, 268, 296, 361, 402, 444, 456, 536, 703, 722, 804, 888, 1083, 1273, 1406, 1444, 1608, 2109, 2166, 2479, 2546, 2812, 2888, 3819, 4218, 4332, 4958, 5092, 5624, 7437, 7638, 8436, 8664, 9916, 10184, 13357, 14874, 15276, 16872, 19832, 24187, 26714, 29748, 30552, 40071, 47101, 48374, 53428, 59496, 72561, 80142, 94202, 96748, 106856, 141303, 145122, 160284, 188404, 193496, 282606, 290244, 320568, 376808, 565212, 580488, 894919, 1130424, 1789838, 2684757, 3579676, 5369514, 7159352, 10739028, 21478056]

約数ペア:

[(1, 21478056), (2, 10739028), (3, 7159352), (4, 5369514), (6, 3579676), (8, 2684757), (12, 1789838), (19, 1130424), (24, 894919), (37, 580488), (38, 565212), (57, 376808), (67, 320568), (74, 290244), (76, 282606), (111, 193496), (114, 188404), (134, 160284), (148, 145122), (152, 141303), (201, 106856), (222, 96748), (228, 94202), (268, 80142), (296, 72561), (361, 59496), (402, 53428), (444, 48374), (456, 47101), (536, 40071), (703, 30552), (722, 29748), (804, 26714), (888, 24187), (1083, 19832), (1273, 16872), (1406, 15276), (1444, 14874), (1608, 13357), (2109, 10184), (2166, 9916), (2479, 8664), (2546, 8436), (2812, 7638), (2888, 7437), (3819, 5624), (4218, 5092), (4332, 4958)]