21897132369

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12619}}^1\times {\mathrm{4349}}^1$

素因数の和:16997

約数の個数: 32

約数和(自身を含む): 35134080000

約数和(自身を除く): 13236947631

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4349, 12619, 13047, 30443, 37857, 82631, 88333, 91329, 239761, 247893, 264999, 578417, 719283, 1678327, 1735251, 5034981, 54880031, 164640093, 384160217, 1042720589, 1152480651, 3128161767, 7299044123, 21897132369]

約数ペア:

[(1, 21897132369), (3, 7299044123), (7, 3128161767), (19, 1152480651), (21, 1042720589), (57, 384160217), (133, 164640093), (399, 54880031), (4349, 5034981), (12619, 1735251), (13047, 1678327), (30443, 719283), (37857, 578417), (82631, 264999), (88333, 247893), (91329, 239761)]