2021334224

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1388279}}^1$

素因数の和:1388307

約数の個数: 40

約数和(自身を含む): 4820108160

約数和(自身を除く): 2798773936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1388279, 2776558, 5553116, 9717953, 11106232, 18047627, 19435906, 22212464, 36095254, 38871812, 72190508, 77743624, 126333389, 144381016, 155487248, 252666778, 288762032, 505333556, 1010667112, 2021334224]

約数ペア:

[(1, 2021334224), (2, 1010667112), (4, 505333556), (7, 288762032), (8, 252666778), (13, 155487248), (14, 144381016), (16, 126333389), (26, 77743624), (28, 72190508), (52, 38871812), (56, 36095254), (91, 22212464), (104, 19435906), (112, 18047627), (182, 11106232), (208, 9717953), (364, 5553116), (728, 2776558), (1456, 1388279)]