21192206

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 39004416

約数和(自身を除く): 17812210

約数列:

[1, 2, 7, 14, 43, 47, 49, 86, 94, 98, 107, 214, 301, 329, 602, 658, 749, 1498, 2021, 2107, 2303, 4042, 4214, 4601, 4606, 5029, 5243, 9202, 10058, 10486, 14147, 28294, 32207, 35203, 64414, 70406, 99029, 198058, 216247, 225449, 246421, 432494, 450898, 492842, 1513729, 3027458, 10596103, 21192206]

約数ペア:

[(1, 21192206), (2, 10596103), (7, 3027458), (14, 1513729), (43, 492842), (47, 450898), (49, 432494), (86, 246421), (94, 225449), (98, 216247), (107, 198058), (214, 99029), (301, 70406), (329, 64414), (602, 35203), (658, 32207), (749, 28294), (1498, 14147), (2021, 10486), (2107, 10058), (2303, 9202), (4042, 5243), (4214, 5029), (4601, 4606)]