21570545358

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3259}}^1\times {\mathrm{5179}}^1$

素因数の和:8517

約数の個数: 48

約数和(自身を含む): 47418134400

約数和(自身を除く): 25847589042

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 3259, 5179, 6518, 9777, 10358, 15537, 19554, 29331, 31074, 46611, 58662, 93222, 231389, 367709, 462778, 694167, 735418, 1103127, 1388334, 2082501, 2206254, 3309381, 4165002, 6618762, 16878361, 33756722, 50635083, 101270166, 151905249, 303810498, 1198363631, 2396727262, 3595090893, 7190181786, 10785272679, 21570545358]

約数ペア:

[(1, 21570545358), (2, 10785272679), (3, 7190181786), (6, 3595090893), (9, 2396727262), (18, 1198363631), (71, 303810498), (142, 151905249), (213, 101270166), (426, 50635083), (639, 33756722), (1278, 16878361), (3259, 6618762), (5179, 4165002), (6518, 3309381), (9777, 2206254), (10358, 2082501), (15537, 1388334), (19554, 1103127), (29331, 735418), (31074, 694167), (46611, 462778), (58662, 367709), (93222, 231389)]