21000974424

素因数分解:

$2^3\times 3^1\times {\mathrm{359}}^1\times {\mathrm{1223}}^1\times {\mathrm{1993}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 52718169600

約数和(自身を除く): 31717195176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 359, 718, 1077, 1223, 1436, 1993, 2154, 2446, 2872, 3669, 3986, 4308, 4892, 5979, 7338, 7972, 8616, 9784, 11958, 14676, 15944, 23916, 29352, 47832, 439057, 715487, 878114, 1317171, 1430974, 1756228, 2146461, 2437439, 2634342, 2861948, 3512456, 4292922, 4874878, 5268684, 5723896, 7312317, 8585844, 9749756, 10537368, 14624634, 17171688, 19499512, 29249268, 58498536, 875040601, 1750081202, 2625121803, 3500162404, 5250243606, 7000324808, 10500487212, 21000974424]

約数ペア:

[(1, 21000974424), (2, 10500487212), (3, 7000324808), (4, 5250243606), (6, 3500162404), (8, 2625121803), (12, 1750081202), (24, 875040601), (359, 58498536), (718, 29249268), (1077, 19499512), (1223, 17171688), (1436, 14624634), (1993, 10537368), (2154, 9749756), (2446, 8585844), (2872, 7312317), (3669, 5723896), (3986, 5268684), (4308, 4874878), (4892, 4292922), (5979, 3512456), (7338, 2861948), (7972, 2634342), (8616, 2437439), (9784, 2146461), (11958, 1756228), (14676, 1430974), (15944, 1317171), (23916, 878114), (29352, 715487), (47832, 439057)]