21473568

素因数分解:

$2^5\times 3^2\times {\mathrm{74561}}^1$

素因数の和:74577

約数の個数: 36

約数和(自身を含む): 61066278

約数和(自身を除く): 39592710

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 74561, 149122, 223683, 298244, 447366, 596488, 671049, 894732, 1192976, 1342098, 1789464, 2385952, 2684196, 3578928, 5368392, 7157856, 10736784, 21473568]

約数ペア:

[(1, 21473568), (2, 10736784), (3, 7157856), (4, 5368392), (6, 3578928), (8, 2684196), (9, 2385952), (12, 1789464), (16, 1342098), (18, 1192976), (24, 894732), (32, 671049), (36, 596488), (48, 447366), (72, 298244), (96, 223683), (144, 149122), (288, 74561)]