21173508738

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{671791}}^1$

素因数の和:671919

約数の個数: 48

約数和(自身を含む): 49046190336

約数和(自身を除く): 27872681598

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 103, 153, 206, 306, 309, 618, 927, 1751, 1854, 3502, 5253, 10506, 15759, 31518, 671791, 1343582, 2015373, 4030746, 6046119, 11420447, 12092238, 22840894, 34261341, 68522682, 69194473, 102784023, 138388946, 205568046, 207583419, 415166838, 622750257, 1176306041, 1245500514, 2352612082, 3528918123, 7057836246, 10586754369, 21173508738]

約数ペア:

[(1, 21173508738), (2, 10586754369), (3, 7057836246), (6, 3528918123), (9, 2352612082), (17, 1245500514), (18, 1176306041), (34, 622750257), (51, 415166838), (102, 207583419), (103, 205568046), (153, 138388946), (206, 102784023), (306, 69194473), (309, 68522682), (618, 34261341), (927, 22840894), (1751, 12092238), (1854, 11420447), (3502, 6046119), (5253, 4030746), (10506, 2015373), (15759, 1343582), (31518, 671791)]