21063885

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23801}}^1$

素因数の和:23868

約数の個数: 16

約数和(自身を含む): 34274880

約数和(自身を除く): 13210995

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23801, 71403, 119005, 357015, 1404259, 4212777, 7021295, 21063885]

約数ペア:

[(1, 21063885), (3, 7021295), (5, 4212777), (15, 1404259), (59, 357015), (177, 119005), (295, 71403), (885, 23801)]