21038052

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 58707264

約数和(自身を除く): 37669212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 967, 1036, 1554, 1813, 1934, 2901, 3108, 3626, 3868, 5439, 5802, 6769, 7252, 10878, 11604, 13538, 20307, 21756, 27076, 35779, 40614, 47383, 71558, 81228, 94766, 107337, 142149, 143116, 189532, 214674, 250453, 284298, 429348, 500906, 568596, 751359, 1001812, 1502718, 1753171, 3005436, 3506342, 5259513, 7012684, 10519026, 21038052]

約数ペア:

[(1, 21038052), (2, 10519026), (3, 7012684), (4, 5259513), (6, 3506342), (7, 3005436), (12, 1753171), (14, 1502718), (21, 1001812), (28, 751359), (37, 568596), (42, 500906), (49, 429348), (74, 284298), (84, 250453), (98, 214674), (111, 189532), (147, 143116), (148, 142149), (196, 107337), (222, 94766), (259, 81228), (294, 71558), (444, 47383), (518, 40614), (588, 35779), (777, 27076), (967, 21756), (1036, 20307), (1554, 13538), (1813, 11604), (1934, 10878), (2901, 7252), (3108, 6769), (3626, 5802), (3868, 5439)]