21637872

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8839}}^1$

素因数の和:8870

約数の個数: 60

約数和(自身を含む): 64125360

約数和(自身を除く): 42487488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8839, 17678, 26517, 35356, 53034, 70712, 79551, 106068, 141424, 150263, 159102, 212136, 300526, 318204, 424272, 450789, 601052, 636408, 901578, 1202104, 1272816, 1352367, 1803156, 2404208, 2704734, 3606312, 5409468, 7212624, 10818936, 21637872]

約数ペア:

[(1, 21637872), (2, 10818936), (3, 7212624), (4, 5409468), (6, 3606312), (8, 2704734), (9, 2404208), (12, 1803156), (16, 1352367), (17, 1272816), (18, 1202104), (24, 901578), (34, 636408), (36, 601052), (48, 450789), (51, 424272), (68, 318204), (72, 300526), (102, 212136), (136, 159102), (144, 150263), (153, 141424), (204, 106068), (272, 79551), (306, 70712), (408, 53034), (612, 35356), (816, 26517), (1224, 17678), (2448, 8839)]