21002212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6199}}^1$

素因数の和:6232

約数の個数: 36

約数和(自身を含む): 46177600

約数和(自身を除く): 25175388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6199, 12398, 24796, 43393, 68189, 86786, 136378, 173572, 272756, 477323, 750079, 954646, 1500158, 1909292, 3000316, 5250553, 10501106, 21002212]

約数ペア:

[(1, 21002212), (2, 10501106), (4, 5250553), (7, 3000316), (11, 1909292), (14, 1500158), (22, 954646), (28, 750079), (44, 477323), (77, 272756), (121, 173572), (154, 136378), (242, 86786), (308, 68189), (484, 43393), (847, 24796), (1694, 12398), (3388, 6199)]