21869208

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1051}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 62977980

約数和(自身を除く): 41108772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1051, 1156, 1224, 1734, 2102, 2312, 2601, 3153, 3468, 4204, 5202, 6306, 6936, 8408, 9459, 10404, 12612, 17867, 18918, 20808, 25224, 35734, 37836, 53601, 71468, 75672, 107202, 142936, 160803, 214404, 303739, 321606, 428808, 607478, 643212, 911217, 1214956, 1286424, 1822434, 2429912, 2733651, 3644868, 5467302, 7289736, 10934604, 21869208]

約数ペア:

[(1, 21869208), (2, 10934604), (3, 7289736), (4, 5467302), (6, 3644868), (8, 2733651), (9, 2429912), (12, 1822434), (17, 1286424), (18, 1214956), (24, 911217), (34, 643212), (36, 607478), (51, 428808), (68, 321606), (72, 303739), (102, 214404), (136, 160803), (153, 142936), (204, 107202), (289, 75672), (306, 71468), (408, 53601), (578, 37836), (612, 35734), (867, 25224), (1051, 20808), (1156, 18918), (1224, 17867), (1734, 12612), (2102, 10404), (2312, 9459), (2601, 8408), (3153, 6936), (3468, 6306), (4204, 5202)]