21045652

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1907}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17419628

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 1907, 2759, 3814, 5518, 7628, 11036, 59117, 118234, 169723, 236468, 339446, 678892, 5261413, 10522826, 21045652]

約数ペア:

[(1, 21045652), (2, 10522826), (4, 5261413), (31, 678892), (62, 339446), (89, 236468), (124, 169723), (178, 118234), (356, 59117), (1907, 11036), (2759, 7628), (3814, 5518)]