21376380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9629}}^1$

素因数の和:9678

約数の個数: 48

約数和(自身を含む): 61477920

約数和(自身を除く): 40101540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9629, 19258, 28887, 38516, 48145, 57774, 96290, 115548, 144435, 192580, 288870, 356273, 577740, 712546, 1068819, 1425092, 1781365, 2137638, 3562730, 4275276, 5344095, 7125460, 10688190, 21376380]

約数ペア:

[(1, 21376380), (2, 10688190), (3, 7125460), (4, 5344095), (5, 4275276), (6, 3562730), (10, 2137638), (12, 1781365), (15, 1425092), (20, 1068819), (30, 712546), (37, 577740), (60, 356273), (74, 288870), (111, 192580), (148, 144435), (185, 115548), (222, 96290), (370, 57774), (444, 48145), (555, 38516), (740, 28887), (1110, 19258), (2220, 9629)]