21097492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{937}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 39895016

約数和(自身を除く): 18797524

約数列:

[1, 2, 4, 13, 26, 52, 433, 866, 937, 1732, 1874, 3748, 5629, 11258, 12181, 22516, 24362, 48724, 405721, 811442, 1622884, 5274373, 10548746, 21097492]

約数ペア:

[(1, 21097492), (2, 10548746), (4, 5274373), (13, 1622884), (26, 811442), (52, 405721), (433, 48724), (866, 24362), (937, 22516), (1732, 12181), (1874, 11258), (3748, 5629)]