21321784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3067}}^1$

素因数の和:3163

約数の個数: 32

約数和(自身を含む): 44179200

約数和(自身を除く): 22857416

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 3067, 3476, 6134, 6952, 12268, 24536, 33737, 67474, 134948, 242293, 269896, 484586, 969172, 1938344, 2665223, 5330446, 10660892, 21321784]

約数ペア:

[(1, 21321784), (2, 10660892), (4, 5330446), (8, 2665223), (11, 1938344), (22, 969172), (44, 484586), (79, 269896), (88, 242293), (158, 134948), (316, 67474), (632, 33737), (869, 24536), (1738, 12268), (3067, 6952), (3476, 6134)]