21373164

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 35865108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 83, 92, 138, 166, 207, 249, 276, 311, 332, 414, 498, 622, 747, 828, 933, 996, 1244, 1494, 1866, 1909, 2799, 2988, 3732, 3818, 5598, 5727, 7153, 7636, 11196, 11454, 14306, 17181, 21459, 22908, 25813, 28612, 34362, 42918, 51626, 64377, 68724, 77439, 85836, 103252, 128754, 154878, 232317, 257508, 309756, 464634, 593699, 929268, 1187398, 1781097, 2374796, 3562194, 5343291, 7124388, 10686582, 21373164]

約数ペア:

[(1, 21373164), (2, 10686582), (3, 7124388), (4, 5343291), (6, 3562194), (9, 2374796), (12, 1781097), (18, 1187398), (23, 929268), (36, 593699), (46, 464634), (69, 309756), (83, 257508), (92, 232317), (138, 154878), (166, 128754), (207, 103252), (249, 85836), (276, 77439), (311, 68724), (332, 64377), (414, 51626), (498, 42918), (622, 34362), (747, 28612), (828, 25813), (933, 22908), (996, 21459), (1244, 17181), (1494, 14306), (1866, 11454), (1909, 11196), (2799, 7636), (2988, 7153), (3732, 5727), (3818, 5598)]