21170340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 64591800

約数和(自身を除く): 43421460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 349, 674, 698, 1011, 1047, 1348, 1396, 1685, 1745, 2022, 2094, 3033, 3141, 3370, 3490, 4044, 4188, 5055, 5235, 6066, 6282, 6740, 6980, 10110, 10470, 12132, 12564, 15165, 15705, 20220, 20940, 30330, 31410, 60660, 62820, 117613, 235226, 352839, 470452, 588065, 705678, 1058517, 1176130, 1411356, 1764195, 2117034, 2352260, 3528390, 4234068, 5292585, 7056780, 10585170, 21170340]

約数ペア:

[(1, 21170340), (2, 10585170), (3, 7056780), (4, 5292585), (5, 4234068), (6, 3528390), (9, 2352260), (10, 2117034), (12, 1764195), (15, 1411356), (18, 1176130), (20, 1058517), (30, 705678), (36, 588065), (45, 470452), (60, 352839), (90, 235226), (180, 117613), (337, 62820), (349, 60660), (674, 31410), (698, 30330), (1011, 20940), (1047, 20220), (1348, 15705), (1396, 15165), (1685, 12564), (1745, 12132), (2022, 10470), (2094, 10110), (3033, 6980), (3141, 6740), (3370, 6282), (3490, 6066), (4044, 5235), (4188, 5055)]