21248432

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13691}}^1$

素因数の和:13796

約数の個数: 20

約数和(自身を含む): 41596296

約数和(自身を除く): 20347864

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13691, 27382, 54764, 109528, 219056, 1328027, 2656054, 5312108, 10624216, 21248432]

約数ペア:

[(1, 21248432), (2, 10624216), (4, 5312108), (8, 2656054), (16, 1328027), (97, 219056), (194, 109528), (388, 54764), (776, 27382), (1552, 13691)]