21057498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15193}}^1$

素因数の和:15219

約数の個数: 48

約数和(自身を含む): 56886336

約数和(自身を除く): 35828838

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15193, 30386, 45579, 91158, 106351, 136737, 167123, 212702, 273474, 319053, 334246, 501369, 638106, 957159, 1002738, 1169861, 1504107, 1914318, 2339722, 3008214, 3509583, 7019166, 10528749, 21057498]

約数ペア:

[(1, 21057498), (2, 10528749), (3, 7019166), (6, 3509583), (7, 3008214), (9, 2339722), (11, 1914318), (14, 1504107), (18, 1169861), (21, 1002738), (22, 957159), (33, 638106), (42, 501369), (63, 334246), (66, 319053), (77, 273474), (99, 212702), (126, 167123), (154, 136737), (198, 106351), (231, 91158), (462, 45579), (693, 30386), (1386, 15193)]