21000296972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{591691}}^1$

素因数の和:592181

約数の個数: 24

約数和(自身を含む): 38767659840

約数和(自身を除く): 17767362868

約数列:

[1, 2, 4, 19, 38, 76, 467, 934, 1868, 8873, 17746, 35492, 591691, 1183382, 2366764, 11242129, 22484258, 44968516, 276319697, 552639394, 1105278788, 5250074243, 10500148486, 21000296972]

約数ペア:

[(1, 21000296972), (2, 10500148486), (4, 5250074243), (19, 1105278788), (38, 552639394), (76, 276319697), (467, 44968516), (934, 22484258), (1868, 11242129), (8873, 2366764), (17746, 1183382), (35492, 591691)]