21369147215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{39217}}^1$

素因数の和:39419

約数の個数: 32

約数和(自身を含む): 28225665216

約数和(自身を除く): 6856518001

約数列:

[1, 5, 13, 65, 83, 101, 415, 505, 1079, 1313, 5395, 6565, 8383, 39217, 41915, 108979, 196085, 509821, 544895, 2549105, 3255011, 3960917, 16275055, 19804585, 42315143, 51491921, 211575715, 257459605, 328756111, 1643780555, 4273829443, 21369147215]

約数ペア:

[(1, 21369147215), (5, 4273829443), (13, 1643780555), (65, 328756111), (83, 257459605), (101, 211575715), (415, 51491921), (505, 42315143), (1079, 19804585), (1313, 16275055), (5395, 3960917), (6565, 3255011), (8383, 2549105), (39217, 544895), (41915, 509821), (108979, 196085)]