21351946

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 42107040

約数和(自身を除く): 20755094

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 683, 1078, 1366, 1421, 2233, 2842, 4466, 4781, 7513, 9562, 15026, 15631, 19807, 31262, 33467, 39614, 52591, 66934, 105182, 138649, 217877, 277298, 368137, 435754, 736274, 970543, 1525139, 1941086, 3050278, 10675973, 21351946]

約数ペア:

[(1, 21351946), (2, 10675973), (7, 3050278), (11, 1941086), (14, 1525139), (22, 970543), (29, 736274), (49, 435754), (58, 368137), (77, 277298), (98, 217877), (154, 138649), (203, 105182), (319, 66934), (406, 52591), (539, 39614), (638, 33467), (683, 31262), (1078, 19807), (1366, 15631), (1421, 15026), (2233, 9562), (2842, 7513), (4466, 4781)]