21864080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39043}}^1$

素因数の和:39063

約数の個数: 40

約数和(自身を含む): 58097472

約数和(自身を除く): 36233392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39043, 78086, 156172, 195215, 273301, 312344, 390430, 546602, 624688, 780860, 1093204, 1366505, 1561720, 2186408, 2733010, 3123440, 4372816, 5466020, 10932040, 21864080]

約数ペア:

[(1, 21864080), (2, 10932040), (4, 5466020), (5, 4372816), (7, 3123440), (8, 2733010), (10, 2186408), (14, 1561720), (16, 1366505), (20, 1093204), (28, 780860), (35, 624688), (40, 546602), (56, 390430), (70, 312344), (80, 273301), (112, 195215), (140, 156172), (280, 78086), (560, 39043)]