21137616

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:884

約数の個数: 60

約数和(自身を含む): 59506980

約数和(自身を除く): 38369364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 641, 687, 916, 1282, 1374, 1832, 1923, 2061, 2564, 2748, 3664, 3846, 4122, 5128, 5496, 5769, 7692, 8244, 10256, 10992, 11538, 15384, 16488, 23076, 30768, 32976, 46152, 92304, 146789, 293578, 440367, 587156, 880734, 1174312, 1321101, 1761468, 2348624, 2642202, 3522936, 5284404, 7045872, 10568808, 21137616]

約数ペア:

[(1, 21137616), (2, 10568808), (3, 7045872), (4, 5284404), (6, 3522936), (8, 2642202), (9, 2348624), (12, 1761468), (16, 1321101), (18, 1174312), (24, 880734), (36, 587156), (48, 440367), (72, 293578), (144, 146789), (229, 92304), (458, 46152), (641, 32976), (687, 30768), (916, 23076), (1282, 16488), (1374, 15384), (1832, 11538), (1923, 10992), (2061, 10256), (2564, 8244), (2748, 7692), (3664, 5769), (3846, 5496), (4122, 5128)]