21695800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15497}}^1$

素因数の和:15520

約数の個数: 48

約数和(自身を含む): 57652560

約数和(自身を除く): 35956760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15497, 30994, 61988, 77485, 108479, 123976, 154970, 216958, 309940, 387425, 433916, 542395, 619880, 774850, 867832, 1084790, 1549700, 2169580, 2711975, 3099400, 4339160, 5423950, 10847900, 21695800]

約数ペア:

[(1, 21695800), (2, 10847900), (4, 5423950), (5, 4339160), (7, 3099400), (8, 2711975), (10, 2169580), (14, 1549700), (20, 1084790), (25, 867832), (28, 774850), (35, 619880), (40, 542395), (50, 433916), (56, 387425), (70, 309940), (100, 216958), (140, 154970), (175, 123976), (200, 108479), (280, 77485), (350, 61988), (700, 30994), (1400, 15497)]