21103731395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1\times {\mathrm{2707}}^1$

素因数の和:3467

約数の個数: 32

約数和(自身を含む): 26906688000

約数和(自身を除く): 5802956605

約数列:

[1, 5, 19, 95, 137, 599, 685, 2603, 2707, 2995, 11381, 13015, 13535, 51433, 56905, 82063, 257165, 370859, 410315, 1559197, 1621493, 1854295, 7046321, 7795985, 8107465, 30808367, 35231605, 154041835, 222144541, 1110722705, 4220746279, 21103731395]

約数ペア:

[(1, 21103731395), (5, 4220746279), (19, 1110722705), (95, 222144541), (137, 154041835), (599, 35231605), (685, 30808367), (2603, 8107465), (2707, 7795985), (2995, 7046321), (11381, 1854295), (13015, 1621493), (13535, 1559197), (51433, 410315), (56905, 370859), (82063, 257165)]