21770494

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 24

約数和(自身を含む): 34604064

約数和(自身を除く): 12833570

約数列:

[1, 2, 31, 47, 62, 94, 241, 482, 961, 1457, 1922, 2914, 7471, 11327, 14942, 22654, 45167, 90334, 231601, 351137, 463202, 702274, 10885247, 21770494]

約数ペア:

[(1, 21770494), (2, 10885247), (31, 702274), (47, 463202), (62, 351137), (94, 231601), (241, 90334), (482, 45167), (961, 22654), (1457, 14942), (1922, 11327), (2914, 7471)]