21000325626

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7936631}}^1$

素因数の和:7936656

約数の個数: 48

約数和(自身を含む): 54286562880

約数和(自身を除く): 33286237254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7936631, 15873262, 23809893, 47619786, 55556417, 71429679, 111112834, 142859358, 166669251, 214289037, 333338502, 388894919, 428578074, 500007753, 777789838, 1000015506, 1166684757, 1500023259, 2333369514, 3000046518, 3500054271, 7000108542, 10500162813, 21000325626]

約数ペア:

[(1, 21000325626), (2, 10500162813), (3, 7000108542), (6, 3500054271), (7, 3000046518), (9, 2333369514), (14, 1500023259), (18, 1166684757), (21, 1000015506), (27, 777789838), (42, 500007753), (49, 428578074), (54, 388894919), (63, 333338502), (98, 214289037), (126, 166669251), (147, 142859358), (189, 111112834), (294, 71429679), (378, 55556417), (441, 47619786), (882, 23809893), (1323, 15873262), (2646, 7936631)]