21517512

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2293}}^1$

素因数の和:2342

約数の個数: 64

約数和(自身を含む): 59460480

約数和(自身を除く): 37942968

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 51, 68, 69, 92, 102, 136, 138, 184, 204, 276, 391, 408, 552, 782, 1173, 1564, 2293, 2346, 3128, 4586, 4692, 6879, 9172, 9384, 13758, 18344, 27516, 38981, 52739, 55032, 77962, 105478, 116943, 155924, 158217, 210956, 233886, 311848, 316434, 421912, 467772, 632868, 896563, 935544, 1265736, 1793126, 2689689, 3586252, 5379378, 7172504, 10758756, 21517512]

約数ペア:

[(1, 21517512), (2, 10758756), (3, 7172504), (4, 5379378), (6, 3586252), (8, 2689689), (12, 1793126), (17, 1265736), (23, 935544), (24, 896563), (34, 632868), (46, 467772), (51, 421912), (68, 316434), (69, 311848), (92, 233886), (102, 210956), (136, 158217), (138, 155924), (184, 116943), (204, 105478), (276, 77962), (391, 55032), (408, 52739), (552, 38981), (782, 27516), (1173, 18344), (1564, 13758), (2293, 9384), (2346, 9172), (3128, 6879), (4586, 4692)]