21350489559

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{216917}}^1$

素因数の和:217079

約数の個数: 32

約数和(自身を含む): 33596259840

約数和(自身を除く): 12245770281

約数列:

[1, 3, 7, 21, 43, 109, 129, 301, 327, 763, 903, 2289, 4687, 14061, 32809, 98427, 216917, 650751, 1518419, 4555257, 9327431, 23643953, 27982293, 65292017, 70931859, 165507671, 195876051, 496523013, 1016689979, 3050069937, 7116829853, 21350489559]

約数ペア:

[(1, 21350489559), (3, 7116829853), (7, 3050069937), (21, 1016689979), (43, 496523013), (109, 195876051), (129, 165507671), (301, 70931859), (327, 65292017), (763, 27982293), (903, 23643953), (2289, 9327431), (4687, 4555257), (14061, 1518419), (32809, 650751), (98427, 216917)]