21170776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2129}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 43707600

約数和(自身を除く): 22536824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2129, 2486, 4258, 4972, 8516, 9944, 17032, 23419, 46838, 93676, 187352, 240577, 481154, 962308, 1924616, 2646347, 5292694, 10585388, 21170776]

約数ペア:

[(1, 21170776), (2, 10585388), (4, 5292694), (8, 2646347), (11, 1924616), (22, 962308), (44, 481154), (88, 240577), (113, 187352), (226, 93676), (452, 46838), (904, 23419), (1243, 17032), (2129, 9944), (2486, 8516), (4258, 4972)]