21351312

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4783}}^1$

素因数の和:4828

約数の個数: 60

約数和(自身を含む): 61694464

約数和(自身を除く): 40343152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4783, 9566, 14349, 19132, 28698, 38264, 43047, 57396, 76528, 86094, 114792, 148273, 172188, 229584, 296546, 344376, 444819, 593092, 688752, 889638, 1186184, 1334457, 1779276, 2372368, 2668914, 3558552, 5337828, 7117104, 10675656, 21351312]

約数ペア:

[(1, 21351312), (2, 10675656), (3, 7117104), (4, 5337828), (6, 3558552), (8, 2668914), (9, 2372368), (12, 1779276), (16, 1334457), (18, 1186184), (24, 889638), (31, 688752), (36, 593092), (48, 444819), (62, 344376), (72, 296546), (93, 229584), (124, 172188), (144, 148273), (186, 114792), (248, 86094), (279, 76528), (372, 57396), (496, 43047), (558, 38264), (744, 28698), (1116, 19132), (1488, 14349), (2232, 9566), (4464, 4783)]