21365856

素因数分解:

$2^5\times 3^4\times {\mathrm{8243}}^1$

素因数の和:8265

約数の個数: 60

約数和(自身を含む): 62844012

約数和(自身を除く): 41478156

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8243, 16486, 24729, 32972, 49458, 65944, 74187, 98916, 131888, 148374, 197832, 222561, 263776, 296748, 395664, 445122, 593496, 667683, 791328, 890244, 1186992, 1335366, 1780488, 2373984, 2670732, 3560976, 5341464, 7121952, 10682928, 21365856]

約数ペア:

[(1, 21365856), (2, 10682928), (3, 7121952), (4, 5341464), (6, 3560976), (8, 2670732), (9, 2373984), (12, 1780488), (16, 1335366), (18, 1186992), (24, 890244), (27, 791328), (32, 667683), (36, 593496), (48, 445122), (54, 395664), (72, 296748), (81, 263776), (96, 222561), (108, 197832), (144, 148374), (162, 131888), (216, 98916), (288, 74187), (324, 65944), (432, 49458), (648, 32972), (864, 24729), (1296, 16486), (2592, 8243)]