21979314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9181}}^1$

素因数の和:9215

約数の個数: 48

約数和(自身を含む): 57295680

約数和(自身を除く): 35316366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 9181, 18362, 27543, 55086, 64267, 82629, 128534, 165258, 174439, 192801, 348878, 385602, 523317, 578403, 1046634, 1156806, 1221073, 1569951, 2442146, 3139902, 3663219, 7326438, 10989657, 21979314]

約数ペア:

[(1, 21979314), (2, 10989657), (3, 7326438), (6, 3663219), (7, 3139902), (9, 2442146), (14, 1569951), (18, 1221073), (19, 1156806), (21, 1046634), (38, 578403), (42, 523317), (57, 385602), (63, 348878), (114, 192801), (126, 174439), (133, 165258), (171, 128534), (266, 82629), (342, 64267), (399, 55086), (798, 27543), (1197, 18362), (2394, 9181)]