21705480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60293}}^1$

素因数の和:60310

約数の個数: 48

約数和(自身を含む): 70543980

約数和(自身を除く): 48838500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60293, 120586, 180879, 241172, 301465, 361758, 482344, 542637, 602930, 723516, 904395, 1085274, 1205860, 1447032, 1808790, 2170548, 2411720, 2713185, 3617580, 4341096, 5426370, 7235160, 10852740, 21705480]

約数ペア:

[(1, 21705480), (2, 10852740), (3, 7235160), (4, 5426370), (5, 4341096), (6, 3617580), (8, 2713185), (9, 2411720), (10, 2170548), (12, 1808790), (15, 1447032), (18, 1205860), (20, 1085274), (24, 904395), (30, 723516), (36, 602930), (40, 542637), (45, 482344), (60, 361758), (72, 301465), (90, 241172), (120, 180879), (180, 120586), (360, 60293)]