21538300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 55308960

約数和(自身を除く): 33770660

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, 1061, 1450, 2030, 2122, 2900, 4060, 4244, 5075, 5305, 7427, 10150, 10610, 14854, 20300, 21220, 26525, 29708, 30769, 37135, 53050, 61538, 74270, 106100, 123076, 148540, 153845, 185675, 215383, 307690, 371350, 430766, 615380, 742700, 769225, 861532, 1076915, 1538450, 2153830, 3076900, 4307660, 5384575, 10769150, 21538300]

約数ペア:

[(1, 21538300), (2, 10769150), (4, 5384575), (5, 4307660), (7, 3076900), (10, 2153830), (14, 1538450), (20, 1076915), (25, 861532), (28, 769225), (29, 742700), (35, 615380), (50, 430766), (58, 371350), (70, 307690), (100, 215383), (116, 185675), (140, 153845), (145, 148540), (175, 123076), (203, 106100), (290, 74270), (350, 61538), (406, 53050), (580, 37135), (700, 30769), (725, 29708), (812, 26525), (1015, 21220), (1061, 20300), (1450, 14854), (2030, 10610), (2122, 10150), (2900, 7427), (4060, 5305), (4244, 5075)]