21299992

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9277}}^1$

素因数の和:9331

約数の個数: 32

約数和(自身を含む): 46761120

約数和(自身を除く): 25461128

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9277, 18554, 37108, 64939, 74216, 129878, 259756, 380357, 519512, 760714, 1521428, 2662499, 3042856, 5324998, 10649996, 21299992]

約数ペア:

[(1, 21299992), (2, 10649996), (4, 5324998), (7, 3042856), (8, 2662499), (14, 1521428), (28, 760714), (41, 519512), (56, 380357), (82, 259756), (164, 129878), (287, 74216), (328, 64939), (574, 37108), (1148, 18554), (2296, 9277)]