21075100

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2974

約数の個数: 36

約数和(自身を含む): 46375504

約数和(自身を除く): 25300404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 2887, 3650, 5774, 7300, 11548, 14435, 28870, 57740, 72175, 144350, 210751, 288700, 421502, 843004, 1053755, 2107510, 4215020, 5268775, 10537550, 21075100]

約数ペア:

[(1, 21075100), (2, 10537550), (4, 5268775), (5, 4215020), (10, 2107510), (20, 1053755), (25, 843004), (50, 421502), (73, 288700), (100, 210751), (146, 144350), (292, 72175), (365, 57740), (730, 28870), (1460, 14435), (1825, 11548), (2887, 7300), (3650, 5774)]