21143694

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 52335360

約数和(自身を除く): 31191666

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1297, 1482, 2594, 2717, 3891, 5434, 7782, 8151, 14267, 16302, 16861, 24643, 28534, 33722, 42801, 49286, 50583, 73929, 85602, 101166, 147858, 185471, 271073, 320359, 370942, 542146, 556413, 640718, 813219, 961077, 1112826, 1626438, 1922154, 3523949, 7047898, 10571847, 21143694]

約数ペア:

[(1, 21143694), (2, 10571847), (3, 7047898), (6, 3523949), (11, 1922154), (13, 1626438), (19, 1112826), (22, 961077), (26, 813219), (33, 640718), (38, 556413), (39, 542146), (57, 370942), (66, 320359), (78, 271073), (114, 185471), (143, 147858), (209, 101166), (247, 85602), (286, 73929), (418, 50583), (429, 49286), (494, 42801), (627, 33722), (741, 28534), (858, 24643), (1254, 16861), (1297, 16302), (1482, 14267), (2594, 8151), (2717, 7782), (3891, 5434)]