21402878

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 37691136

約数和(自身を除く): 16288258

約数列:

[1, 2, 7, 14, 83, 113, 163, 166, 226, 326, 581, 791, 1141, 1162, 1582, 2282, 9379, 13529, 18419, 18758, 27058, 36838, 65653, 94703, 128933, 131306, 189406, 257866, 1528777, 3057554, 10701439, 21402878]

約数ペア:

[(1, 21402878), (2, 10701439), (7, 3057554), (14, 1528777), (83, 257866), (113, 189406), (163, 131306), (166, 128933), (226, 94703), (326, 65653), (581, 36838), (791, 27058), (1141, 18758), (1162, 18419), (1582, 13529), (2282, 9379)]