21787932

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 53091360

約数和(自身を除く): 31303428

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 137, 174, 274, 348, 411, 457, 548, 822, 914, 1371, 1644, 1828, 2742, 3973, 5484, 7946, 11919, 13253, 15892, 23838, 26506, 39759, 47676, 53012, 62609, 79518, 125218, 159036, 187827, 250436, 375654, 751308, 1815661, 3631322, 5446983, 7262644, 10893966, 21787932]

約数ペア:

[(1, 21787932), (2, 10893966), (3, 7262644), (4, 5446983), (6, 3631322), (12, 1815661), (29, 751308), (58, 375654), (87, 250436), (116, 187827), (137, 159036), (174, 125218), (274, 79518), (348, 62609), (411, 53012), (457, 47676), (548, 39759), (822, 26506), (914, 23838), (1371, 15892), (1644, 13253), (1828, 11919), (2742, 7946), (3973, 5484)]