21540372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{739}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 57684480

約数和(自身を除く): 36144108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 694, 739, 1041, 1388, 1478, 2082, 2217, 2429, 2956, 4164, 4434, 4858, 5173, 7287, 8868, 9716, 10346, 14574, 15519, 20692, 29148, 31038, 62076, 256433, 512866, 769299, 1025732, 1538598, 1795031, 3077196, 3590062, 5385093, 7180124, 10770186, 21540372]

約数ペア:

[(1, 21540372), (2, 10770186), (3, 7180124), (4, 5385093), (6, 3590062), (7, 3077196), (12, 1795031), (14, 1538598), (21, 1025732), (28, 769299), (42, 512866), (84, 256433), (347, 62076), (694, 31038), (739, 29148), (1041, 20692), (1388, 15519), (1478, 14574), (2082, 10346), (2217, 9716), (2429, 8868), (2956, 7287), (4164, 5173), (4434, 4858)]