21454323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 11930637

約数列:

[1, 3, 11, 17, 33, 51, 167, 187, 229, 501, 561, 687, 1837, 2519, 2839, 3893, 5511, 7557, 8517, 11679, 31229, 38243, 42823, 93687, 114729, 128469, 420673, 650131, 1262019, 1950393, 7151441, 21454323]

約数ペア:

[(1, 21454323), (3, 7151441), (11, 1950393), (17, 1262019), (33, 650131), (51, 420673), (167, 128469), (187, 114729), (229, 93687), (501, 42823), (561, 38243), (687, 31229), (1837, 11679), (2519, 8517), (2839, 7557), (3893, 5511)]