21091910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5107}}^1$

素因数の和:5180

約数の個数: 32

約数和(自身を含む): 44133120

約数和(自身を除く): 23041210

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 5107, 10214, 25535, 35749, 51070, 71498, 178745, 301313, 357490, 602626, 1506565, 2109191, 3013130, 4218382, 10545955, 21091910]

約数ペア:

[(1, 21091910), (2, 10545955), (5, 4218382), (7, 3013130), (10, 2109191), (14, 1506565), (35, 602626), (59, 357490), (70, 301313), (118, 178745), (295, 71498), (413, 51070), (590, 35749), (826, 25535), (2065, 10214), (4130, 5107)]