21167222859

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{613}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 33595599440

約数和(自身を除く): 12428376581

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 277, 513, 613, 729, 831, 1539, 1839, 2187, 2493, 4617, 5263, 5517, 6561, 7479, 11647, 13851, 15789, 16551, 22437, 34941, 41553, 47367, 49653, 67311, 104823, 124659, 142101, 148959, 169801, 201933, 314469, 426303, 446877, 509403, 605799, 943407, 1278909, 1340631, 1528209, 1817397, 2830221, 3226219, 3836727, 4021893, 4584627, 8490663, 9678657, 11510181, 13753881, 25471989, 29035971, 34530543, 41261643, 76415967, 87107913, 123784929, 261323739, 371354787, 783971217, 1114064361, 2351913651, 7055740953, 21167222859]

約数ペア:

[(1, 21167222859), (3, 7055740953), (9, 2351913651), (19, 1114064361), (27, 783971217), (57, 371354787), (81, 261323739), (171, 123784929), (243, 87107913), (277, 76415967), (513, 41261643), (613, 34530543), (729, 29035971), (831, 25471989), (1539, 13753881), (1839, 11510181), (2187, 9678657), (2493, 8490663), (4617, 4584627), (5263, 4021893), (5517, 3836727), (6561, 3226219), (7479, 2830221), (11647, 1817397), (13851, 1528209), (15789, 1340631), (16551, 1278909), (22437, 943407), (34941, 605799), (41553, 509403), (47367, 446877), (49653, 426303), (67311, 314469), (104823, 201933), (124659, 169801), (142101, 148959)]