21150147170

素因数分解:

$2^1\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{1084067}}^1$

素因数の和:1086025

約数の個数: 16

約数和(自身を含む): 38089813248

約数和(自身を除く): 16939666078

約数列:

[1, 2, 5, 10, 1951, 3902, 9755, 19510, 1084067, 2168134, 5420335, 10840670, 2115014717, 4230029434, 10575073585, 21150147170]

約数ペア:

[(1, 21150147170), (2, 10575073585), (5, 4230029434), (10, 2115014717), (1951, 10840670), (3902, 5420335), (9755, 2168134), (19510, 1084067)]