21777598255

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1\times {\mathrm{11807}}^1$

素因数の和:12319

約数の個数: 32

約数和(自身を含む): 30152908800

約数和(自身を除く): 8375310545

約数列:

[1, 5, 7, 35, 151, 349, 755, 1057, 1745, 2443, 5285, 11807, 12215, 52699, 59035, 82649, 263495, 368893, 413245, 1782857, 1844465, 4120643, 8914285, 12479999, 20603215, 28844501, 62399995, 144222505, 622217093, 3111085465, 4355519651, 21777598255]

約数ペア:

[(1, 21777598255), (5, 4355519651), (7, 3111085465), (35, 622217093), (151, 144222505), (349, 62399995), (755, 28844501), (1057, 20603215), (1745, 12479999), (2443, 8914285), (5285, 4120643), (11807, 1844465), (12215, 1782857), (52699, 413245), (59035, 368893), (82649, 263495)]