21456834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{797}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 49182336

約数和(自身を除く): 27725502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 641, 797, 1282, 1594, 1923, 2391, 3846, 4487, 4782, 5579, 8974, 11158, 13461, 16737, 26922, 33474, 510877, 1021754, 1532631, 3065262, 3576139, 7152278, 10728417, 21456834]

約数ペア:

[(1, 21456834), (2, 10728417), (3, 7152278), (6, 3576139), (7, 3065262), (14, 1532631), (21, 1021754), (42, 510877), (641, 33474), (797, 26922), (1282, 16737), (1594, 13461), (1923, 11158), (2391, 8974), (3846, 5579), (4487, 4782)]