21240898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17927102

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1699, 1786, 3398, 6251, 11893, 12502, 23786, 32281, 64562, 79853, 159706, 225967, 451934, 558971, 1117942, 1517207, 3034414, 10620449, 21240898]

約数ペア:

[(1, 21240898), (2, 10620449), (7, 3034414), (14, 1517207), (19, 1117942), (38, 558971), (47, 451934), (94, 225967), (133, 159706), (266, 79853), (329, 64562), (658, 32281), (893, 23786), (1699, 12502), (1786, 11893), (3398, 6251)]