21128576

素因数分解:

$2^7\times 7^1\times {\mathrm{23581}}^1$

素因数の和:23602

約数の個数: 32

約数和(自身を含む): 48107280

約数和(自身を除く): 26978704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23581, 47162, 94324, 165067, 188648, 330134, 377296, 660268, 754592, 1320536, 1509184, 2641072, 3018368, 5282144, 10564288, 21128576]

約数ペア:

[(1, 21128576), (2, 10564288), (4, 5282144), (7, 3018368), (8, 2641072), (14, 1509184), (16, 1320536), (28, 754592), (32, 660268), (56, 377296), (64, 330134), (112, 188648), (128, 165067), (224, 94324), (448, 47162), (896, 23581)]