21563208

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41335992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 79, 102, 136, 153, 158, 204, 223, 237, 306, 316, 408, 446, 474, 612, 632, 669, 711, 892, 948, 1224, 1338, 1343, 1422, 1784, 1896, 2007, 2676, 2686, 2844, 3791, 4014, 4029, 5352, 5372, 5688, 7582, 8028, 8058, 10744, 11373, 12087, 15164, 16056, 16116, 17617, 22746, 24174, 30328, 32232, 34119, 35234, 45492, 48348, 52851, 68238, 70468, 90984, 96696, 105702, 136476, 140936, 158553, 211404, 272952, 299489, 317106, 422808, 598978, 634212, 898467, 1197956, 1268424, 1796934, 2395912, 2695401, 3593868, 5390802, 7187736, 10781604, 21563208]

約数ペア:

[(1, 21563208), (2, 10781604), (3, 7187736), (4, 5390802), (6, 3593868), (8, 2695401), (9, 2395912), (12, 1796934), (17, 1268424), (18, 1197956), (24, 898467), (34, 634212), (36, 598978), (51, 422808), (68, 317106), (72, 299489), (79, 272952), (102, 211404), (136, 158553), (153, 140936), (158, 136476), (204, 105702), (223, 96696), (237, 90984), (306, 70468), (316, 68238), (408, 52851), (446, 48348), (474, 45492), (612, 35234), (632, 34119), (669, 32232), (711, 30328), (892, 24174), (948, 22746), (1224, 17617), (1338, 16116), (1343, 16056), (1422, 15164), (1784, 12087), (1896, 11373), (2007, 10744), (2676, 8058), (2686, 8028), (2844, 7582), (3791, 5688), (4014, 5372), (4029, 5352)]