21680498

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 16888462

約数列:

[1, 2, 7, 14, 53, 61, 106, 122, 371, 427, 479, 742, 854, 958, 3233, 3353, 6466, 6706, 22631, 25387, 29219, 45262, 50774, 58438, 177709, 204533, 355418, 409066, 1548607, 3097214, 10840249, 21680498]

約数ペア:

[(1, 21680498), (2, 10840249), (7, 3097214), (14, 1548607), (53, 409066), (61, 355418), (106, 204533), (122, 177709), (371, 58438), (427, 50774), (479, 45262), (742, 29219), (854, 25387), (958, 22631), (3233, 6706), (3353, 6466)]