21952740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 62173440

約数和(自身を除く): 40220700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 4111, 5340, 8222, 12333, 16444, 20555, 24666, 41110, 49332, 61665, 82220, 123330, 246660, 365879, 731758, 1097637, 1463516, 1829395, 2195274, 3658790, 4390548, 5488185, 7317580, 10976370, 21952740]

約数ペア:

[(1, 21952740), (2, 10976370), (3, 7317580), (4, 5488185), (5, 4390548), (6, 3658790), (10, 2195274), (12, 1829395), (15, 1463516), (20, 1097637), (30, 731758), (60, 365879), (89, 246660), (178, 123330), (267, 82220), (356, 61665), (445, 49332), (534, 41110), (890, 24666), (1068, 20555), (1335, 16444), (1780, 12333), (2670, 8222), (4111, 5340)]