21228830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1753}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 43948224

約数和(自身を除く): 22719394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 1753, 2422, 3506, 6055, 8765, 12110, 12271, 17530, 24542, 61355, 122710, 303269, 606538, 1516345, 2122883, 3032690, 4245766, 10614415, 21228830]

約数ペア:

[(1, 21228830), (2, 10614415), (5, 4245766), (7, 3032690), (10, 2122883), (14, 1516345), (35, 606538), (70, 303269), (173, 122710), (346, 61355), (865, 24542), (1211, 17530), (1730, 12271), (1753, 12110), (2422, 8765), (3506, 6055)]