21695338

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4177}}^1$

素因数の和:4246

約数の個数: 24

約数和(自身を含む): 38579652

約数和(自身を除く): 16884314

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4177, 5194, 8354, 29239, 58478, 204673, 221381, 409346, 442762, 1549667, 3099334, 10847669, 21695338]

約数ペア:

[(1, 21695338), (2, 10847669), (7, 3099334), (14, 1549667), (49, 442762), (53, 409346), (98, 221381), (106, 204673), (371, 58478), (742, 29239), (2597, 8354), (4177, 5194)]