21323060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{941}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 49375872

約数和(自身を除く): 28052812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 941, 1030, 1133, 1882, 2060, 2266, 3764, 4532, 4705, 5665, 9410, 10351, 11330, 18820, 20702, 22660, 41404, 51755, 96923, 103510, 193846, 207020, 387692, 484615, 969230, 1066153, 1938460, 2132306, 4264612, 5330765, 10661530, 21323060]

約数ペア:

[(1, 21323060), (2, 10661530), (4, 5330765), (5, 4264612), (10, 2132306), (11, 1938460), (20, 1066153), (22, 969230), (44, 484615), (55, 387692), (103, 207020), (110, 193846), (206, 103510), (220, 96923), (412, 51755), (515, 41404), (941, 22660), (1030, 20702), (1133, 18820), (1882, 11330), (2060, 10351), (2266, 9410), (3764, 5665), (4532, 4705)]