21066590

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 38840256

約数和(自身を除く): 17773666

約数列:

[1, 2, 5, 10, 103, 113, 181, 206, 226, 362, 515, 565, 905, 1030, 1130, 1810, 11639, 18643, 20453, 23278, 37286, 40906, 58195, 93215, 102265, 116390, 186430, 204530, 2106659, 4213318, 10533295, 21066590]

約数ペア:

[(1, 21066590), (2, 10533295), (5, 4213318), (10, 2106659), (103, 204530), (113, 186430), (181, 116390), (206, 102265), (226, 93215), (362, 58195), (515, 40906), (565, 37286), (905, 23278), (1030, 20453), (1130, 18643), (1810, 11639)]