21980232

素因数分解:

$2^3\times 3^2\times {\mathrm{305281}}^1$

素因数の和:305293

約数の個数: 24

約数和(自身を含む): 59529990

約数和(自身を除く): 37549758

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305281, 610562, 915843, 1221124, 1831686, 2442248, 2747529, 3663372, 5495058, 7326744, 10990116, 21980232]

約数ペア:

[(1, 21980232), (2, 10990116), (3, 7326744), (4, 5495058), (6, 3663372), (8, 2747529), (9, 2442248), (12, 1831686), (18, 1221124), (24, 915843), (36, 610562), (72, 305281)]