21895148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 21922612

約数列:

[1, 2, 4, 11, 22, 41, 44, 53, 82, 106, 164, 212, 229, 451, 458, 583, 902, 916, 1166, 1804, 2173, 2332, 2519, 4346, 5038, 8692, 9389, 10076, 12137, 18778, 23903, 24274, 37556, 47806, 48548, 95612, 103279, 133507, 206558, 267014, 413116, 497617, 534028, 995234, 1990468, 5473787, 10947574, 21895148]

約数ペア:

[(1, 21895148), (2, 10947574), (4, 5473787), (11, 1990468), (22, 995234), (41, 534028), (44, 497617), (53, 413116), (82, 267014), (106, 206558), (164, 133507), (212, 103279), (229, 95612), (451, 48548), (458, 47806), (583, 37556), (902, 24274), (916, 23903), (1166, 18778), (1804, 12137), (2173, 10076), (2332, 9389), (2519, 8692), (4346, 5038)]