21372854275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{2953}}^1$

素因数の和:3208

約数の個数: 48

約数和(自身を含む): 28021644000

約数和(自身を除く): 6648789725

約数列:

[1, 5, 25, 29, 67, 145, 149, 335, 725, 745, 1675, 1943, 2953, 3725, 4321, 9715, 9983, 14765, 21605, 48575, 49915, 73825, 85637, 108025, 197851, 249575, 289507, 428185, 439997, 989255, 1447535, 2140925, 2199985, 4946275, 5737679, 7237675, 10999925, 12759913, 28688395, 29479799, 63799565, 143441975, 147398995, 318997825, 736994975, 854914171, 4274570855, 21372854275]

約数ペア:

[(1, 21372854275), (5, 4274570855), (25, 854914171), (29, 736994975), (67, 318997825), (145, 147398995), (149, 143441975), (335, 63799565), (725, 29479799), (745, 28688395), (1675, 12759913), (1943, 10999925), (2953, 7237675), (3725, 5737679), (4321, 4946275), (9715, 2199985), (9983, 2140925), (14765, 1447535), (21605, 989255), (48575, 439997), (49915, 428185), (73825, 289507), (85637, 249575), (108025, 197851)]