21537296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 46128000

約数和(自身を除く): 24590704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1549, 1738, 3098, 3476, 6196, 6952, 12392, 13904, 17039, 24784, 34078, 68156, 122371, 136312, 244742, 272624, 489484, 978968, 1346081, 1957936, 2692162, 5384324, 10768648, 21537296]

約数ペア:

[(1, 21537296), (2, 10768648), (4, 5384324), (8, 2692162), (11, 1957936), (16, 1346081), (22, 978968), (44, 489484), (79, 272624), (88, 244742), (158, 136312), (176, 122371), (316, 68156), (632, 34078), (869, 24784), (1264, 17039), (1549, 13904), (1738, 12392), (3098, 6952), (3476, 6196)]