21198034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 19444526

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 47, 83, 94, 143, 166, 209, 247, 286, 418, 494, 517, 611, 893, 913, 1034, 1079, 1222, 1577, 1786, 1826, 2158, 2717, 3154, 3901, 5434, 6721, 7802, 9823, 11609, 11869, 13442, 17347, 19646, 20501, 23218, 23738, 34694, 41002, 42911, 50713, 74119, 85822, 101426, 127699, 148238, 225511, 255398, 451022, 557843, 815309, 963547, 1115686, 1630618, 1927094, 10599017, 21198034]

約数ペア:

[(1, 21198034), (2, 10599017), (11, 1927094), (13, 1630618), (19, 1115686), (22, 963547), (26, 815309), (38, 557843), (47, 451022), (83, 255398), (94, 225511), (143, 148238), (166, 127699), (209, 101426), (247, 85822), (286, 74119), (418, 50713), (494, 42911), (517, 41002), (611, 34694), (893, 23738), (913, 23218), (1034, 20501), (1079, 19646), (1222, 17347), (1577, 13442), (1786, 11869), (1826, 11609), (2158, 9823), (2717, 7802), (3154, 6721), (3901, 5434)]