21492254

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16661986

約数列:

[1, 2, 7, 14, 47, 89, 94, 178, 329, 367, 623, 658, 734, 1246, 2569, 4183, 5138, 8366, 17249, 29281, 32663, 34498, 58562, 65326, 120743, 228641, 241486, 457282, 1535161, 3070322, 10746127, 21492254]

約数ペア:

[(1, 21492254), (2, 10746127), (7, 3070322), (14, 1535161), (47, 457282), (89, 241486), (94, 228641), (178, 120743), (329, 65326), (367, 58562), (623, 34498), (658, 32663), (734, 29281), (1246, 17249), (2569, 8366), (4183, 5138)]