21975516

素因数分解:

$2^2\times 3^3\times {\mathrm{283}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 57254400

約数和(自身を除く): 35278884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 283, 566, 719, 849, 1132, 1438, 1698, 2157, 2547, 2876, 3396, 4314, 5094, 6471, 7641, 8628, 10188, 12942, 15282, 19413, 25884, 30564, 38826, 77652, 203477, 406954, 610431, 813908, 1220862, 1831293, 2441724, 3662586, 5493879, 7325172, 10987758, 21975516]

約数ペア:

[(1, 21975516), (2, 10987758), (3, 7325172), (4, 5493879), (6, 3662586), (9, 2441724), (12, 1831293), (18, 1220862), (27, 813908), (36, 610431), (54, 406954), (108, 203477), (283, 77652), (566, 38826), (719, 30564), (849, 25884), (1132, 19413), (1438, 15282), (1698, 12942), (2157, 10188), (2547, 8628), (2876, 7641), (3396, 6471), (4314, 5094)]