21649908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15161}}^1$

素因数の和:15192

約数の個数: 48

約数和(自身を含む): 61133184

約数和(自身を除く): 39483276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15161, 30322, 45483, 60644, 90966, 106127, 181932, 212254, 257737, 318381, 424508, 515474, 636762, 773211, 1030948, 1273524, 1546422, 1804159, 3092844, 3608318, 5412477, 7216636, 10824954, 21649908]

約数ペア:

[(1, 21649908), (2, 10824954), (3, 7216636), (4, 5412477), (6, 3608318), (7, 3092844), (12, 1804159), (14, 1546422), (17, 1273524), (21, 1030948), (28, 773211), (34, 636762), (42, 515474), (51, 424508), (68, 318381), (84, 257737), (102, 212254), (119, 181932), (204, 106127), (238, 90966), (357, 60644), (476, 45483), (714, 30322), (1428, 15161)]