21584968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3691}}^1$

素因数の和:3757

約数の個数: 32

約数和(自身を含む): 43860960

約数和(自身を除く): 22275992

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3691, 5848, 7382, 14764, 29528, 62747, 125494, 158713, 250988, 317426, 501976, 634852, 1269704, 2698121, 5396242, 10792484, 21584968]

約数ペア:

[(1, 21584968), (2, 10792484), (4, 5396242), (8, 2698121), (17, 1269704), (34, 634852), (43, 501976), (68, 317426), (86, 250988), (136, 158713), (172, 125494), (344, 62747), (731, 29528), (1462, 14764), (2924, 7382), (3691, 5848)]