21719308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1873}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 41138048

約数和(自身を除く): 19418740

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1873, 2899, 3746, 5798, 7492, 11596, 24349, 48698, 97396, 417679, 835358, 1670716, 5429827, 10859654, 21719308]

約数ペア:

[(1, 21719308), (2, 10859654), (4, 5429827), (13, 1670716), (26, 835358), (52, 417679), (223, 97396), (446, 48698), (892, 24349), (1873, 11596), (2899, 7492), (3746, 5798)]