21851244

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 35387028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 83, 103, 142, 166, 206, 213, 249, 284, 309, 332, 412, 426, 498, 618, 639, 747, 852, 927, 996, 1236, 1278, 1494, 1854, 2556, 2988, 3708, 5893, 7313, 8549, 11786, 14626, 17098, 17679, 21939, 23572, 25647, 29252, 34196, 35358, 43878, 51294, 53037, 65817, 70716, 76941, 87756, 102588, 106074, 131634, 153882, 212148, 263268, 307764, 606979, 1213958, 1820937, 2427916, 3641874, 5462811, 7283748, 10925622, 21851244]

約数ペア:

[(1, 21851244), (2, 10925622), (3, 7283748), (4, 5462811), (6, 3641874), (9, 2427916), (12, 1820937), (18, 1213958), (36, 606979), (71, 307764), (83, 263268), (103, 212148), (142, 153882), (166, 131634), (206, 106074), (213, 102588), (249, 87756), (284, 76941), (309, 70716), (332, 65817), (412, 53037), (426, 51294), (498, 43878), (618, 35358), (639, 34196), (747, 29252), (852, 25647), (927, 23572), (996, 21939), (1236, 17679), (1278, 17098), (1494, 14626), (1854, 11786), (2556, 8549), (2988, 7313), (3708, 5893)]