21804752936

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 41861836800

約数和(自身を除く): 20057083864

約数列:

[1, 2, 4, 8, 89, 127, 178, 254, 293, 356, 508, 586, 712, 823, 1016, 1172, 1646, 2344, 3292, 6584, 11303, 22606, 26077, 37211, 45212, 52154, 73247, 74422, 90424, 104308, 104521, 146494, 148844, 208616, 209042, 241139, 292988, 297688, 418084, 482278, 585976, 836168, 964556, 1929112, 3311779, 6623558, 9302369, 13247116, 18604738, 21461371, 26494232, 30624653, 37209476, 42922742, 61249306, 74418952, 85845484, 122498612, 171690968, 244997224, 2725594117, 5451188234, 10902376468, 21804752936]

約数ペア:

[(1, 21804752936), (2, 10902376468), (4, 5451188234), (8, 2725594117), (89, 244997224), (127, 171690968), (178, 122498612), (254, 85845484), (293, 74418952), (356, 61249306), (508, 42922742), (586, 37209476), (712, 30624653), (823, 26494232), (1016, 21461371), (1172, 18604738), (1646, 13247116), (2344, 9302369), (3292, 6623558), (6584, 3311779), (11303, 1929112), (22606, 964556), (26077, 836168), (37211, 585976), (45212, 482278), (52154, 418084), (73247, 297688), (74422, 292988), (90424, 241139), (104308, 209042), (104521, 208616), (146494, 148844)]