21706212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 58796640

約数和(自身を除く): 37090428

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 289, 374, 561, 569, 578, 748, 867, 1122, 1138, 1156, 1707, 1734, 2244, 2276, 3179, 3414, 3468, 6259, 6358, 6828, 9537, 9673, 12518, 12716, 18777, 19074, 19346, 25036, 29019, 37554, 38148, 38692, 58038, 75108, 106403, 116076, 164441, 212806, 319209, 328882, 425612, 493323, 638418, 657764, 986646, 1276836, 1808851, 1973292, 3617702, 5426553, 7235404, 10853106, 21706212]

約数ペア:

[(1, 21706212), (2, 10853106), (3, 7235404), (4, 5426553), (6, 3617702), (11, 1973292), (12, 1808851), (17, 1276836), (22, 986646), (33, 657764), (34, 638418), (44, 493323), (51, 425612), (66, 328882), (68, 319209), (102, 212806), (132, 164441), (187, 116076), (204, 106403), (289, 75108), (374, 58038), (561, 38692), (569, 38148), (578, 37554), (748, 29019), (867, 25036), (1122, 19346), (1138, 19074), (1156, 18777), (1707, 12716), (1734, 12518), (2244, 9673), (2276, 9537), (3179, 6828), (3414, 6358), (3468, 6259)]