21640422

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{212161}}^1$

素因数の和:212183

約数の個数: 16

約数和(自身を含む): 45826992

約数和(自身を除く): 24186570

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 212161, 424322, 636483, 1272966, 3606737, 7213474, 10820211, 21640422]

約数ペア:

[(1, 21640422), (2, 10820211), (3, 7213474), (6, 3606737), (17, 1272966), (34, 636483), (51, 424322), (102, 212161)]