21415395

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3767}}^1$

素因数の和:4154

約数の個数: 16

約数和(自身を含む): 34364160

約数和(自身を除く): 12948765

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 3767, 5685, 11301, 18835, 56505, 1427693, 4283079, 7138465, 21415395]

約数ペア:

[(1, 21415395), (3, 7138465), (5, 4283079), (15, 1427693), (379, 56505), (1137, 18835), (1895, 11301), (3767, 5685)]