21252296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 43188600

約数和(自身を除く): 21936304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1129, 1448, 2258, 2353, 4516, 4706, 9032, 9412, 14677, 18824, 29354, 58708, 117416, 204349, 408698, 817396, 1634792, 2656537, 5313074, 10626148, 21252296]

約数ペア:

[(1, 21252296), (2, 10626148), (4, 5313074), (8, 2656537), (13, 1634792), (26, 817396), (52, 408698), (104, 204349), (181, 117416), (362, 58708), (724, 29354), (1129, 18824), (1448, 14677), (2258, 9412), (2353, 9032), (4516, 4706)]