21657744

素因数分解:

$2^4\times 3^2\times {\mathrm{150401}}^1$

素因数の和:150415

約数の個数: 30

約数和(自身を含む): 60612006

約数和(自身を除く): 38954262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 150401, 300802, 451203, 601604, 902406, 1203208, 1353609, 1804812, 2406416, 2707218, 3609624, 5414436, 7219248, 10828872, 21657744]

約数ペア:

[(1, 21657744), (2, 10828872), (3, 7219248), (4, 5414436), (6, 3609624), (8, 2707218), (9, 2406416), (12, 1804812), (16, 1353609), (18, 1203208), (24, 902406), (36, 601604), (48, 451203), (72, 300802), (144, 150401)]