21728450

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5953}}^1$

素因数の和:6038

約数の個数: 24

約数和(自身を含む): 40975428

約数和(自身を除く): 19246978

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5953, 11906, 29765, 59530, 148825, 297650, 434569, 869138, 2172845, 4345690, 10864225, 21728450]

約数ペア:

[(1, 21728450), (2, 10864225), (5, 4345690), (10, 2172845), (25, 869138), (50, 434569), (73, 297650), (146, 148825), (365, 59530), (730, 29765), (1825, 11906), (3650, 5953)]