21218559843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4591}}^1\times {\mathrm{6971}}^1$

素因数の和:11595

約数の個数: 32

約数和(自身を含む): 32271547392

約数和(自身を除く): 11052987549

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 4591, 6971, 13773, 20913, 59683, 78047, 90623, 118507, 179049, 234141, 271869, 355521, 1014611, 1540591, 3043833, 4621773, 32003861, 96011583, 416050193, 544065637, 1248150579, 1632196911, 7072853281, 21218559843]

約数ペア:

[(1, 21218559843), (3, 7072853281), (13, 1632196911), (17, 1248150579), (39, 544065637), (51, 416050193), (221, 96011583), (663, 32003861), (4591, 4621773), (6971, 3043833), (13773, 1540591), (20913, 1014611), (59683, 355521), (78047, 271869), (90623, 234141), (118507, 179049)]