21043530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 57110400

約数和(自身を除く): 36066870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 90, 118, 135, 177, 270, 295, 354, 531, 590, 885, 1062, 1321, 1593, 1770, 2642, 2655, 3186, 3963, 5310, 6605, 7926, 7965, 11889, 13210, 15930, 19815, 23778, 35667, 39630, 59445, 71334, 77939, 118890, 155878, 178335, 233817, 356670, 389695, 467634, 701451, 779390, 1169085, 1402902, 2104353, 2338170, 3507255, 4208706, 7014510, 10521765, 21043530]

約数ペア:

[(1, 21043530), (2, 10521765), (3, 7014510), (5, 4208706), (6, 3507255), (9, 2338170), (10, 2104353), (15, 1402902), (18, 1169085), (27, 779390), (30, 701451), (45, 467634), (54, 389695), (59, 356670), (90, 233817), (118, 178335), (135, 155878), (177, 118890), (270, 77939), (295, 71334), (354, 59445), (531, 39630), (590, 35667), (885, 23778), (1062, 19815), (1321, 15930), (1593, 13210), (1770, 11889), (2642, 7965), (2655, 7926), (3186, 6605), (3963, 5310)]