21852650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 44032896

約数和(自身を除く): 22180246

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 547, 799, 850, 1094, 1175, 1598, 2350, 2735, 3995, 5470, 7990, 9299, 13675, 18598, 19975, 25709, 27350, 39950, 46495, 51418, 92990, 128545, 232475, 257090, 437053, 464950, 642725, 874106, 1285450, 2185265, 4370530, 10926325, 21852650]

約数ペア:

[(1, 21852650), (2, 10926325), (5, 4370530), (10, 2185265), (17, 1285450), (25, 874106), (34, 642725), (47, 464950), (50, 437053), (85, 257090), (94, 232475), (170, 128545), (235, 92990), (425, 51418), (470, 46495), (547, 39950), (799, 27350), (850, 25709), (1094, 19975), (1175, 18598), (1598, 13675), (2350, 9299), (2735, 7990), (3995, 5470)]