21000377028

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1\times {\mathrm{139367}}^1$

素因数の和:139836

約数の個数: 48

約数和(自身を含む): 50807998080

約数和(自身を除く): 29807621052

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 433, 866, 1299, 1732, 2598, 5196, 12557, 25114, 37671, 50228, 75342, 139367, 150684, 278734, 418101, 557468, 836202, 1672404, 4041643, 8083286, 12124929, 16166572, 24249858, 48499716, 60345911, 120691822, 181037733, 241383644, 362075466, 724150932, 1750031419, 3500062838, 5250094257, 7000125676, 10500188514, 21000377028]

約数ペア:

[(1, 21000377028), (2, 10500188514), (3, 7000125676), (4, 5250094257), (6, 3500062838), (12, 1750031419), (29, 724150932), (58, 362075466), (87, 241383644), (116, 181037733), (174, 120691822), (348, 60345911), (433, 48499716), (866, 24249858), (1299, 16166572), (1732, 12124929), (2598, 8083286), (5196, 4041643), (12557, 1672404), (25114, 836202), (37671, 557468), (50228, 418101), (75342, 278734), (139367, 150684)]