21464280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 70527600

約数和(自身を除く): 49063320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 547, 654, 872, 981, 1090, 1094, 1308, 1635, 1641, 1962, 2180, 2188, 2616, 2735, 3270, 3282, 3924, 4360, 4376, 4905, 4923, 5470, 6540, 6564, 7848, 8205, 9810, 9846, 10940, 13080, 13128, 16410, 19620, 19692, 21880, 24615, 32820, 39240, 39384, 49230, 59623, 65640, 98460, 119246, 178869, 196920, 238492, 298115, 357738, 476984, 536607, 596230, 715476, 894345, 1073214, 1192460, 1430952, 1788690, 2146428, 2384920, 2683035, 3577380, 4292856, 5366070, 7154760, 10732140, 21464280]

約数ペア:

[(1, 21464280), (2, 10732140), (3, 7154760), (4, 5366070), (5, 4292856), (6, 3577380), (8, 2683035), (9, 2384920), (10, 2146428), (12, 1788690), (15, 1430952), (18, 1192460), (20, 1073214), (24, 894345), (30, 715476), (36, 596230), (40, 536607), (45, 476984), (60, 357738), (72, 298115), (90, 238492), (109, 196920), (120, 178869), (180, 119246), (218, 98460), (327, 65640), (360, 59623), (436, 49230), (545, 39384), (547, 39240), (654, 32820), (872, 24615), (981, 21880), (1090, 19692), (1094, 19620), (1308, 16410), (1635, 13128), (1641, 13080), (1962, 10940), (2180, 9846), (2188, 9810), (2616, 8205), (2735, 7848), (3270, 6564), (3282, 6540), (3924, 5470), (4360, 4923), (4376, 4905)]