21261422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{593}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 39517632

約数和(自身を除く): 18256210

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 197, 394, 593, 1186, 1379, 2561, 2758, 4151, 5122, 7709, 8302, 15418, 17927, 35854, 53963, 107926, 116821, 233642, 817747, 1518673, 1635494, 3037346, 10630711, 21261422]

約数ペア:

[(1, 21261422), (2, 10630711), (7, 3037346), (13, 1635494), (14, 1518673), (26, 817747), (91, 233642), (182, 116821), (197, 107926), (394, 53963), (593, 35854), (1186, 17927), (1379, 15418), (2561, 8302), (2758, 7709), (4151, 5122)]