21115663758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{936227}}^1$

素因数の和:936421

約数の個数: 48

約数和(自身を含む): 52578564480

約数和(自身を除く): 31462900722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 179, 358, 537, 1074, 1253, 1611, 2506, 3222, 3759, 7518, 11277, 22554, 936227, 1872454, 2808681, 5617362, 6553589, 8426043, 13107178, 16852086, 19660767, 39321534, 58982301, 117964602, 167584633, 335169266, 502753899, 1005507798, 1173092431, 1508261697, 2346184862, 3016523394, 3519277293, 7038554586, 10557831879, 21115663758]

約数ペア:

[(1, 21115663758), (2, 10557831879), (3, 7038554586), (6, 3519277293), (7, 3016523394), (9, 2346184862), (14, 1508261697), (18, 1173092431), (21, 1005507798), (42, 502753899), (63, 335169266), (126, 167584633), (179, 117964602), (358, 58982301), (537, 39321534), (1074, 19660767), (1253, 16852086), (1611, 13107178), (2506, 8426043), (3222, 6553589), (3759, 5617362), (7518, 2808681), (11277, 1872454), (22554, 936227)]