21694398

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 47554560

約数和(自身を除く): 25860162

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 257, 514, 771, 1279, 1542, 2558, 2827, 3837, 5654, 7674, 8481, 14069, 16962, 28138, 42207, 84414, 328703, 657406, 986109, 1972218, 3615733, 7231466, 10847199, 21694398]

約数ペア:

[(1, 21694398), (2, 10847199), (3, 7231466), (6, 3615733), (11, 1972218), (22, 986109), (33, 657406), (66, 328703), (257, 84414), (514, 42207), (771, 28138), (1279, 16962), (1542, 14069), (2558, 8481), (2827, 7674), (3837, 5654)]