21682908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 38032020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 433, 468, 642, 866, 963, 1284, 1299, 1391, 1732, 1926, 2598, 2782, 3852, 3897, 4173, 5196, 5564, 5629, 7794, 8346, 11258, 12519, 15588, 16692, 16887, 22516, 25038, 33774, 46331, 50076, 50661, 67548, 92662, 101322, 138993, 185324, 202644, 277986, 416979, 555972, 602303, 833958, 1204606, 1667916, 1806909, 2409212, 3613818, 5420727, 7227636, 10841454, 21682908]

約数ペア:

[(1, 21682908), (2, 10841454), (3, 7227636), (4, 5420727), (6, 3613818), (9, 2409212), (12, 1806909), (13, 1667916), (18, 1204606), (26, 833958), (36, 602303), (39, 555972), (52, 416979), (78, 277986), (107, 202644), (117, 185324), (156, 138993), (214, 101322), (234, 92662), (321, 67548), (428, 50661), (433, 50076), (468, 46331), (642, 33774), (866, 25038), (963, 22516), (1284, 16887), (1299, 16692), (1391, 15588), (1732, 12519), (1926, 11258), (2598, 8346), (2782, 7794), (3852, 5629), (3897, 5564), (4173, 5196)]