21924152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 46759680

約数和(自身を除く): 24835528

約数列:

[1, 2, 4, 8, 17, 23, 34, 43, 46, 68, 86, 92, 136, 163, 172, 184, 326, 344, 391, 652, 731, 782, 989, 1304, 1462, 1564, 1978, 2771, 2924, 3128, 3749, 3956, 5542, 5848, 7009, 7498, 7912, 11084, 14018, 14996, 16813, 22168, 28036, 29992, 33626, 56072, 63733, 67252, 119153, 127466, 134504, 161207, 238306, 254932, 322414, 476612, 509864, 644828, 953224, 1289656, 2740519, 5481038, 10962076, 21924152]

約数ペア:

[(1, 21924152), (2, 10962076), (4, 5481038), (8, 2740519), (17, 1289656), (23, 953224), (34, 644828), (43, 509864), (46, 476612), (68, 322414), (86, 254932), (92, 238306), (136, 161207), (163, 134504), (172, 127466), (184, 119153), (326, 67252), (344, 63733), (391, 56072), (652, 33626), (731, 29992), (782, 28036), (989, 22168), (1304, 16813), (1462, 14996), (1564, 14018), (1978, 11084), (2771, 7912), (2924, 7498), (3128, 7009), (3749, 5848), (3956, 5542)]