21863028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1861}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 34443852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1861, 1958, 2937, 3722, 3916, 5583, 5874, 7444, 11166, 11748, 20471, 22332, 40942, 61413, 81884, 122826, 165629, 245652, 331258, 496887, 662516, 993774, 1821919, 1987548, 3643838, 5465757, 7287676, 10931514, 21863028]

約数ペア:

[(1, 21863028), (2, 10931514), (3, 7287676), (4, 5465757), (6, 3643838), (11, 1987548), (12, 1821919), (22, 993774), (33, 662516), (44, 496887), (66, 331258), (89, 245652), (132, 165629), (178, 122826), (267, 81884), (356, 61413), (534, 40942), (979, 22332), (1068, 20471), (1861, 11748), (1958, 11166), (2937, 7444), (3722, 5874), (3916, 5583)]