21166128

素因数分解:

$2^4\times 3^2\times {\mathrm{146987}}^1$

素因数の和:147001

約数の個数: 30

約数和(自身を含む): 59236164

約数和(自身を除く): 38070036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146987, 293974, 440961, 587948, 881922, 1175896, 1322883, 1763844, 2351792, 2645766, 3527688, 5291532, 7055376, 10583064, 21166128]

約数ペア:

[(1, 21166128), (2, 10583064), (3, 7055376), (4, 5291532), (6, 3527688), (8, 2645766), (9, 2351792), (12, 1763844), (16, 1322883), (18, 1175896), (24, 881922), (36, 587948), (48, 440961), (72, 293974), (144, 146987)]