21758226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3727}}^1$

素因数の和:3878

約数の個数: 32

約数和(自身を含む): 50104320

約数和(自身を除く): 28346094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3727, 5838, 7454, 11181, 22362, 26089, 52178, 78267, 156534, 518053, 1036106, 1554159, 3108318, 3626371, 7252742, 10879113, 21758226]

約数ペア:

[(1, 21758226), (2, 10879113), (3, 7252742), (6, 3626371), (7, 3108318), (14, 1554159), (21, 1036106), (42, 518053), (139, 156534), (278, 78267), (417, 52178), (834, 26089), (973, 22362), (1946, 11181), (2919, 7454), (3727, 5838)]