21009058240

素因数分解:

$2^6\times 5^1\times {\mathrm{65653307}}^1$

素因数の和:65653324

約数の個数: 28

約数和(自身を含む): 50027820696

約数和(自身を除く): 29018762456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65653307, 131306614, 262613228, 328266535, 525226456, 656533070, 1050452912, 1313066140, 2100905824, 2626132280, 4201811648, 5252264560, 10504529120, 21009058240]

約数ペア:

[(1, 21009058240), (2, 10504529120), (4, 5252264560), (5, 4201811648), (8, 2626132280), (10, 2100905824), (16, 1313066140), (20, 1050452912), (32, 656533070), (40, 525226456), (64, 328266535), (80, 262613228), (160, 131306614), (320, 65653307)]