21260650

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{7207}}^1$

素因数の和:7278

約数の個数: 24

約数和(自身を含む): 40220640

約数和(自身を除く): 18959990

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 295, 590, 1475, 2950, 7207, 14414, 36035, 72070, 180175, 360350, 425213, 850426, 2126065, 4252130, 10630325, 21260650]

約数ペア:

[(1, 21260650), (2, 10630325), (5, 4252130), (10, 2126065), (25, 850426), (50, 425213), (59, 360350), (118, 180175), (295, 72070), (590, 36035), (1475, 14414), (2950, 7207)]