21415744

素因数分解:

$2^6\times 7^2\times {\mathrm{6829}}^1$

素因数の和:6855

約数の個数: 42

約数和(自身を含む): 49442370

約数和(自身を除く): 28026626

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6829, 13658, 27316, 47803, 54632, 95606, 109264, 191212, 218528, 334621, 382424, 437056, 669242, 764848, 1338484, 1529696, 2676968, 3059392, 5353936, 10707872, 21415744]

約数ペア:

[(1, 21415744), (2, 10707872), (4, 5353936), (7, 3059392), (8, 2676968), (14, 1529696), (16, 1338484), (28, 764848), (32, 669242), (49, 437056), (56, 382424), (64, 334621), (98, 218528), (112, 191212), (196, 109264), (224, 95606), (392, 54632), (448, 47803), (784, 27316), (1568, 13658), (3136, 6829)]