21498834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10891}}^1$

素因数の和:10950

約数の個数: 32

約数和(自身を含む): 50190336

約数和(自身を除く): 28691502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10891, 21782, 32673, 65346, 76237, 152474, 228711, 457422, 511877, 1023754, 1535631, 3071262, 3583139, 7166278, 10749417, 21498834]

約数ペア:

[(1, 21498834), (2, 10749417), (3, 7166278), (6, 3583139), (7, 3071262), (14, 1535631), (21, 1023754), (42, 511877), (47, 457422), (94, 228711), (141, 152474), (282, 76237), (329, 65346), (658, 32673), (987, 21782), (1974, 10891)]