21573136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6101}}^1$

素因数の和:6139

約数の個数: 40

約数和(自身を含む): 47668824

約数和(自身を除く): 26095688

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 6101, 12202, 24404, 48808, 79313, 97616, 103717, 158626, 207434, 317252, 414868, 634504, 829736, 1269008, 1348321, 1659472, 2696642, 5393284, 10786568, 21573136]

約数ペア:

[(1, 21573136), (2, 10786568), (4, 5393284), (8, 2696642), (13, 1659472), (16, 1348321), (17, 1269008), (26, 829736), (34, 634504), (52, 414868), (68, 317252), (104, 207434), (136, 158626), (208, 103717), (221, 97616), (272, 79313), (442, 48808), (884, 24404), (1768, 12202), (3536, 6101)]