21105196

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4801}}^1$

素因数の和:4969

約数の個数: 24

約数和(自身を含む): 42488096

約数和(自身を除く): 21382900

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4801, 9602, 19204, 33607, 67214, 134428, 753757, 1507514, 3015028, 5276299, 10552598, 21105196]

約数ペア:

[(1, 21105196), (2, 10552598), (4, 5276299), (7, 3015028), (14, 1507514), (28, 753757), (157, 134428), (314, 67214), (628, 33607), (1099, 19204), (2198, 9602), (4396, 4801)]