21594808

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 20337992

約数列:

[1, 2, 4, 8, 47, 79, 94, 158, 188, 316, 376, 632, 727, 1454, 2908, 3713, 5816, 7426, 14852, 29704, 34169, 57433, 68338, 114866, 136676, 229732, 273352, 459464, 2699351, 5398702, 10797404, 21594808]

約数ペア:

[(1, 21594808), (2, 10797404), (4, 5398702), (8, 2699351), (47, 459464), (79, 273352), (94, 229732), (158, 136676), (188, 114866), (316, 68338), (376, 57433), (632, 34169), (727, 29704), (1454, 14852), (2908, 7426), (3713, 5816)]