21484176

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1548

約数の個数: 80

約数和(自身を含む): 64948224

約数和(自身を除く): 43464048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1487, 1806, 2064, 2408, 2974, 3612, 4461, 4816, 5948, 7224, 8922, 10409, 11896, 14448, 17844, 20818, 23792, 31227, 35688, 41636, 62454, 63941, 71376, 83272, 124908, 127882, 166544, 191823, 249816, 255764, 383646, 447587, 499632, 511528, 767292, 895174, 1023056, 1342761, 1534584, 1790348, 2685522, 3069168, 3580696, 5371044, 7161392, 10742088, 21484176]

約数ペア:

[(1, 21484176), (2, 10742088), (3, 7161392), (4, 5371044), (6, 3580696), (7, 3069168), (8, 2685522), (12, 1790348), (14, 1534584), (16, 1342761), (21, 1023056), (24, 895174), (28, 767292), (42, 511528), (43, 499632), (48, 447587), (56, 383646), (84, 255764), (86, 249816), (112, 191823), (129, 166544), (168, 127882), (172, 124908), (258, 83272), (301, 71376), (336, 63941), (344, 62454), (516, 41636), (602, 35688), (688, 31227), (903, 23792), (1032, 20818), (1204, 17844), (1487, 14448), (1806, 11896), (2064, 10409), (2408, 8922), (2974, 7224), (3612, 5948), (4461, 4816)]