21335300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1051}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 54788160

約数和(自身を除く): 33452860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1051, 1450, 2030, 2102, 2900, 4060, 4204, 5075, 5255, 7357, 10150, 10510, 14714, 20300, 21020, 26275, 29428, 30479, 36785, 52550, 60958, 73570, 105100, 121916, 147140, 152395, 183925, 213353, 304790, 367850, 426706, 609580, 735700, 761975, 853412, 1066765, 1523950, 2133530, 3047900, 4267060, 5333825, 10667650, 21335300]

約数ペア:

[(1, 21335300), (2, 10667650), (4, 5333825), (5, 4267060), (7, 3047900), (10, 2133530), (14, 1523950), (20, 1066765), (25, 853412), (28, 761975), (29, 735700), (35, 609580), (50, 426706), (58, 367850), (70, 304790), (100, 213353), (116, 183925), (140, 152395), (145, 147140), (175, 121916), (203, 105100), (290, 73570), (350, 60958), (406, 52550), (580, 36785), (700, 30479), (725, 29428), (812, 26275), (1015, 21020), (1051, 20300), (1450, 14714), (2030, 10510), (2102, 10150), (2900, 7357), (4060, 5255), (4204, 5075)]