21624748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{653}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 40213152

約数和(自身を除く): 18588404

約数列:

[1, 2, 4, 17, 34, 68, 487, 653, 974, 1306, 1948, 2612, 8279, 11101, 16558, 22202, 33116, 44404, 318011, 636022, 1272044, 5406187, 10812374, 21624748]

約数ペア:

[(1, 21624748), (2, 10812374), (4, 5406187), (17, 1272044), (34, 636022), (68, 318011), (487, 44404), (653, 33116), (974, 22202), (1306, 16558), (1948, 11101), (2612, 8279)]