21218868

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 40107852

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 53, 54, 66, 99, 106, 108, 132, 159, 198, 212, 297, 318, 337, 396, 477, 583, 594, 636, 674, 954, 1011, 1166, 1188, 1348, 1431, 1749, 1908, 2022, 2332, 2862, 3033, 3498, 3707, 4044, 5247, 5724, 6066, 6996, 7414, 9099, 10494, 11121, 12132, 14828, 15741, 17861, 18198, 20988, 22242, 31482, 33363, 35722, 36396, 44484, 53583, 62964, 66726, 71444, 100089, 107166, 133452, 160749, 196471, 200178, 214332, 321498, 392942, 400356, 482247, 589413, 642996, 785884, 964494, 1178826, 1768239, 1928988, 2357652, 3536478, 5304717, 7072956, 10609434, 21218868]

約数ペア:

[(1, 21218868), (2, 10609434), (3, 7072956), (4, 5304717), (6, 3536478), (9, 2357652), (11, 1928988), (12, 1768239), (18, 1178826), (22, 964494), (27, 785884), (33, 642996), (36, 589413), (44, 482247), (53, 400356), (54, 392942), (66, 321498), (99, 214332), (106, 200178), (108, 196471), (132, 160749), (159, 133452), (198, 107166), (212, 100089), (297, 71444), (318, 66726), (337, 62964), (396, 53583), (477, 44484), (583, 36396), (594, 35722), (636, 33363), (674, 31482), (954, 22242), (1011, 20988), (1166, 18198), (1188, 17861), (1348, 15741), (1431, 14828), (1749, 12132), (1908, 11121), (2022, 10494), (2332, 9099), (2862, 7414), (3033, 6996), (3498, 6066), (3707, 5724), (4044, 5247)]