21694380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21269}}^1$

素因数の和:21298

約数の個数: 48

約数和(自身を含む): 64320480

約数和(自身を除く): 42626100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21269, 42538, 63807, 85076, 106345, 127614, 212690, 255228, 319035, 361573, 425380, 638070, 723146, 1084719, 1276140, 1446292, 1807865, 2169438, 3615730, 4338876, 5423595, 7231460, 10847190, 21694380]

約数ペア:

[(1, 21694380), (2, 10847190), (3, 7231460), (4, 5423595), (5, 4338876), (6, 3615730), (10, 2169438), (12, 1807865), (15, 1446292), (17, 1276140), (20, 1084719), (30, 723146), (34, 638070), (51, 425380), (60, 361573), (68, 319035), (85, 255228), (102, 212690), (170, 127614), (204, 106345), (255, 85076), (340, 63807), (510, 42538), (1020, 21269)]