21749392

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11423}}^1$

素因数の和:11455

約数の個数: 40

約数和(自身を含む): 50996736

約数和(自身を除く): 29247344

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11423, 22846, 45692, 79961, 91384, 159922, 182768, 194191, 319844, 388382, 639688, 776764, 1279376, 1359337, 1553528, 2718674, 3107056, 5437348, 10874696, 21749392]

約数ペア:

[(1, 21749392), (2, 10874696), (4, 5437348), (7, 3107056), (8, 2718674), (14, 1553528), (16, 1359337), (17, 1279376), (28, 776764), (34, 639688), (56, 388382), (68, 319844), (112, 194191), (119, 182768), (136, 159922), (238, 91384), (272, 79961), (476, 45692), (952, 22846), (1904, 11423)]