21428301695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{68449}}^1$

素因数の和:68627

約数の個数: 32

約数和(自身を含む): 28387584000

約数和(自身を除く): 6959282305

約数列:

[1, 5, 17, 29, 85, 127, 145, 493, 635, 2159, 2465, 3683, 10795, 18415, 62611, 68449, 313055, 342245, 1163633, 1985021, 5818165, 8693023, 9925105, 33745357, 43465115, 147781391, 168726785, 252097667, 738906955, 1260488335, 4285660339, 21428301695]

約数ペア:

[(1, 21428301695), (5, 4285660339), (17, 1260488335), (29, 738906955), (85, 252097667), (127, 168726785), (145, 147781391), (493, 43465115), (635, 33745357), (2159, 9925105), (2465, 8693023), (3683, 5818165), (10795, 1985021), (18415, 1163633), (62611, 342245), (68449, 313055)]