21905044

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2707}}^1$

素因数の和:2752

約数の個数: 36

約数和(自身を含む): 46555936

約数和(自身を除く): 24650892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2707, 4046, 5414, 8092, 10828, 18949, 37898, 46019, 75796, 92038, 184076, 322133, 644266, 782323, 1288532, 1564646, 3129292, 5476261, 10952522, 21905044]

約数ペア:

[(1, 21905044), (2, 10952522), (4, 5476261), (7, 3129292), (14, 1564646), (17, 1288532), (28, 782323), (34, 644266), (68, 322133), (119, 184076), (238, 92038), (289, 75796), (476, 46019), (578, 37898), (1156, 18949), (2023, 10828), (2707, 8092), (4046, 5414)]