21929260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 26333780

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 569, 820, 940, 1138, 1927, 2276, 2845, 3854, 5690, 7708, 9635, 11380, 19270, 23329, 26743, 38540, 46658, 53486, 93316, 106972, 116645, 133715, 233290, 267430, 466580, 534860, 1096463, 2192926, 4385852, 5482315, 10964630, 21929260]

約数ペア:

[(1, 21929260), (2, 10964630), (4, 5482315), (5, 4385852), (10, 2192926), (20, 1096463), (41, 534860), (47, 466580), (82, 267430), (94, 233290), (164, 133715), (188, 116645), (205, 106972), (235, 93316), (410, 53486), (470, 46658), (569, 38540), (820, 26743), (940, 23329), (1138, 19270), (1927, 11380), (2276, 9635), (2845, 7708), (3854, 5690)]