21440808

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{5839}}^1$

素因数の和:5871

約数の個数: 64

約数和(自身を含む): 63072000

約数和(自身を除く): 41631192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 408, 459, 612, 918, 1224, 1836, 3672, 5839, 11678, 17517, 23356, 35034, 46712, 52551, 70068, 99263, 105102, 140136, 157653, 198526, 210204, 297789, 315306, 397052, 420408, 595578, 630612, 794104, 893367, 1191156, 1261224, 1786734, 2382312, 2680101, 3573468, 5360202, 7146936, 10720404, 21440808]

約数ペア:

[(1, 21440808), (2, 10720404), (3, 7146936), (4, 5360202), (6, 3573468), (8, 2680101), (9, 2382312), (12, 1786734), (17, 1261224), (18, 1191156), (24, 893367), (27, 794104), (34, 630612), (36, 595578), (51, 420408), (54, 397052), (68, 315306), (72, 297789), (102, 210204), (108, 198526), (136, 157653), (153, 140136), (204, 105102), (216, 99263), (306, 70068), (408, 52551), (459, 46712), (612, 35034), (918, 23356), (1224, 17517), (1836, 11678), (3672, 5839)]