21085592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12611}}^1$

素因数の和:12647

約数の個数: 32

約数和(自身を含む): 45403200

約数和(自身を除く): 24317608

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12611, 25222, 50444, 100888, 138721, 239609, 277442, 479218, 554884, 958436, 1109768, 1916872, 2635699, 5271398, 10542796, 21085592]

約数ペア:

[(1, 21085592), (2, 10542796), (4, 5271398), (8, 2635699), (11, 1916872), (19, 1109768), (22, 958436), (38, 554884), (44, 479218), (76, 277442), (88, 239609), (152, 138721), (209, 100888), (418, 50444), (836, 25222), (1672, 12611)]