21678264

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 63180000

約数和(自身を除く): 41501736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 89, 102, 136, 153, 178, 199, 204, 267, 306, 356, 398, 408, 534, 597, 612, 712, 796, 801, 1068, 1194, 1224, 1513, 1592, 1602, 1791, 2136, 2388, 3026, 3204, 3383, 3582, 4539, 4776, 6052, 6408, 6766, 7164, 9078, 10149, 12104, 13532, 13617, 14328, 17711, 18156, 20298, 27064, 27234, 30447, 35422, 36312, 40596, 53133, 54468, 60894, 70844, 81192, 106266, 108936, 121788, 141688, 159399, 212532, 243576, 301087, 318798, 425064, 602174, 637596, 903261, 1204348, 1275192, 1806522, 2408696, 2709783, 3613044, 5419566, 7226088, 10839132, 21678264]

約数ペア:

[(1, 21678264), (2, 10839132), (3, 7226088), (4, 5419566), (6, 3613044), (8, 2709783), (9, 2408696), (12, 1806522), (17, 1275192), (18, 1204348), (24, 903261), (34, 637596), (36, 602174), (51, 425064), (68, 318798), (72, 301087), (89, 243576), (102, 212532), (136, 159399), (153, 141688), (178, 121788), (199, 108936), (204, 106266), (267, 81192), (306, 70844), (356, 60894), (398, 54468), (408, 53133), (534, 40596), (597, 36312), (612, 35422), (712, 30447), (796, 27234), (801, 27064), (1068, 20298), (1194, 18156), (1224, 17711), (1513, 14328), (1592, 13617), (1602, 13532), (1791, 12104), (2136, 10149), (2388, 9078), (3026, 7164), (3204, 6766), (3383, 6408), (3582, 6052), (4539, 4776)]