21068658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28464462

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 503, 537, 1006, 1074, 1509, 1611, 2327, 3018, 3222, 4527, 4654, 6539, 6981, 9054, 13078, 13962, 19617, 20943, 39234, 41886, 58851, 90037, 117702, 180074, 270111, 540222, 810333, 1170481, 1620666, 2340962, 3511443, 7022886, 10534329, 21068658]

約数ペア:

[(1, 21068658), (2, 10534329), (3, 7022886), (6, 3511443), (9, 2340962), (13, 1620666), (18, 1170481), (26, 810333), (39, 540222), (78, 270111), (117, 180074), (179, 117702), (234, 90037), (358, 58851), (503, 41886), (537, 39234), (1006, 20943), (1074, 19617), (1509, 13962), (1611, 13078), (2327, 9054), (3018, 6981), (3222, 6539), (4527, 4654)]