21872350

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2897}}^1$

素因数の和:3060

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 19093778

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 2897, 3775, 5794, 7550, 14485, 28970, 72425, 144850, 437447, 874894, 2187235, 4374470, 10936175, 21872350]

約数ペア:

[(1, 21872350), (2, 10936175), (5, 4374470), (10, 2187235), (25, 874894), (50, 437447), (151, 144850), (302, 72425), (755, 28970), (1510, 14485), (2897, 7550), (3775, 5794)]