21002368

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 42448320

約数和(自身を除く): 21445952

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2311, 4544, 4622, 9088, 9244, 18488, 36976, 73952, 147904, 164081, 295808, 328162, 656324, 1312648, 2625296, 5250592, 10501184, 21002368]

約数ペア:

[(1, 21002368), (2, 10501184), (4, 5250592), (8, 2625296), (16, 1312648), (32, 656324), (64, 328162), (71, 295808), (128, 164081), (142, 147904), (284, 73952), (568, 36976), (1136, 18488), (2272, 9244), (2311, 9088), (4544, 4622)]