21978576

素因数分解:

$2^4\times 3^2\times {\mathrm{152629}}^1$

素因数の和:152643

約数の個数: 30

約数和(自身を含む): 61509890

約数和(自身を除く): 39531314

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 152629, 305258, 457887, 610516, 915774, 1221032, 1373661, 1831548, 2442064, 2747322, 3663096, 5494644, 7326192, 10989288, 21978576]

約数ペア:

[(1, 21978576), (2, 10989288), (3, 7326192), (4, 5494644), (6, 3663096), (8, 2747322), (9, 2442064), (12, 1831548), (16, 1373661), (18, 1221032), (24, 915774), (36, 610516), (48, 457887), (72, 305258), (144, 152629)]