21101852

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 37810080

約数和(自身を除く): 16708228

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 439, 788, 878, 1756, 12017, 24034, 26779, 48068, 53558, 86483, 107116, 172966, 345932, 5275463, 10550926, 21101852]

約数ペア:

[(1, 21101852), (2, 10550926), (4, 5275463), (61, 345932), (122, 172966), (197, 107116), (244, 86483), (394, 53558), (439, 48068), (788, 26779), (878, 24034), (1756, 12017)]