21205888

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15061}}^1$

素因数の和:15086

約数の個数: 32

約数和(自身を含む): 46089720

約数和(自身を除く): 24883832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15061, 30122, 60244, 120488, 165671, 240976, 331342, 481952, 662684, 963904, 1325368, 1927808, 2650736, 5301472, 10602944, 21205888]

約数ペア:

[(1, 21205888), (2, 10602944), (4, 5301472), (8, 2650736), (11, 1927808), (16, 1325368), (22, 963904), (32, 662684), (44, 481952), (64, 331342), (88, 240976), (128, 165671), (176, 120488), (352, 60244), (704, 30122), (1408, 15061)]