21102544

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13597}}^1$

素因数の和:13702

約数の個数: 20

約数和(自身を含む): 41310724

約数和(自身を除く): 20208180

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13597, 27194, 54388, 108776, 217552, 1318909, 2637818, 5275636, 10551272, 21102544]

約数ペア:

[(1, 21102544), (2, 10551272), (4, 5275636), (8, 2637818), (16, 1318909), (97, 217552), (194, 108776), (388, 54388), (776, 27194), (1552, 13597)]