21333025

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 30484160

約数和(自身を除く): 9151135

約数列:

[1, 5, 7, 25, 35, 139, 175, 695, 877, 973, 3475, 4385, 4865, 6139, 21925, 24325, 30695, 121903, 153475, 609515, 853321, 3047575, 4266605, 21333025]

約数ペア:

[(1, 21333025), (5, 4266605), (7, 3047575), (25, 853321), (35, 609515), (139, 153475), (175, 121903), (695, 30695), (877, 24325), (973, 21925), (3475, 6139), (4385, 4865)]