21473050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 20711750

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 59, 118, 145, 251, 290, 295, 502, 590, 725, 1255, 1450, 1475, 1711, 2510, 2950, 3422, 6275, 7279, 8555, 12550, 14558, 14809, 17110, 29618, 36395, 42775, 72790, 74045, 85550, 148090, 181975, 363950, 370225, 429461, 740450, 858922, 2147305, 4294610, 10736525, 21473050]

約数ペア:

[(1, 21473050), (2, 10736525), (5, 4294610), (10, 2147305), (25, 858922), (29, 740450), (50, 429461), (58, 370225), (59, 363950), (118, 181975), (145, 148090), (251, 85550), (290, 74045), (295, 72790), (502, 42775), (590, 36395), (725, 29618), (1255, 17110), (1450, 14809), (1475, 14558), (1711, 12550), (2510, 8555), (2950, 7279), (3422, 6275)]