21862864

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 43559712

約数和(自身を除く): 21696848

約数列:

[1, 2, 4, 8, 16, 83, 101, 163, 166, 202, 326, 332, 404, 652, 664, 808, 1304, 1328, 1616, 2608, 8383, 13529, 16463, 16766, 27058, 32926, 33532, 54116, 65852, 67064, 108232, 131704, 134128, 216464, 263408, 1366429, 2732858, 5465716, 10931432, 21862864]

約数ペア:

[(1, 21862864), (2, 10931432), (4, 5465716), (8, 2732858), (16, 1366429), (83, 263408), (101, 216464), (163, 134128), (166, 131704), (202, 108232), (326, 67064), (332, 65852), (404, 54116), (652, 33532), (664, 32926), (808, 27058), (1304, 16766), (1328, 16463), (1616, 13529), (2608, 8383)]