21108710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1917

約数の個数: 48

約数和(自身を含む): 46145376

約数和(自身を除く): 25036666

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 1873, 2254, 3746, 5635, 9365, 11270, 13111, 18730, 26222, 43079, 65555, 86158, 91777, 131110, 183554, 215395, 301553, 430790, 458885, 603106, 917770, 1507765, 2110871, 3015530, 4221742, 10554355, 21108710]

約数ペア:

[(1, 21108710), (2, 10554355), (5, 4221742), (7, 3015530), (10, 2110871), (14, 1507765), (23, 917770), (35, 603106), (46, 458885), (49, 430790), (70, 301553), (98, 215395), (115, 183554), (161, 131110), (230, 91777), (245, 86158), (322, 65555), (490, 43079), (805, 26222), (1127, 18730), (1610, 13111), (1873, 11270), (2254, 9365), (3746, 5635)]