21432495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12007}}^1$

素因数の和:12039

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 20067153

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12007, 36021, 60035, 84049, 180105, 204119, 252147, 420245, 612357, 1020595, 1260735, 1428833, 3061785, 4286499, 7144165, 21432495]

約数ペア:

[(1, 21432495), (3, 7144165), (5, 4286499), (7, 3061785), (15, 1428833), (17, 1260735), (21, 1020595), (35, 612357), (51, 420245), (85, 252147), (105, 204119), (119, 180105), (255, 84049), (357, 60035), (595, 36021), (1785, 12007)]