21404614

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 40372992

約数和(自身を除く): 18968378

約数列:

[1, 2, 7, 11, 14, 22, 77, 131, 154, 262, 917, 1061, 1441, 1834, 2122, 2882, 7427, 10087, 11671, 14854, 20174, 23342, 81697, 138991, 163394, 277982, 972937, 1528901, 1945874, 3057802, 10702307, 21404614]

約数ペア:

[(1, 21404614), (2, 10702307), (7, 3057802), (11, 1945874), (14, 1528901), (22, 972937), (77, 277982), (131, 163394), (154, 138991), (262, 81697), (917, 23342), (1061, 20174), (1441, 14854), (1834, 11671), (2122, 10087), (2882, 7427)]