2021423404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{504851}}^1$

素因数の和:504886

約数の個数: 48

約数和(自身を含む): 4749647616

約数和(自身を除く): 2728224212

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 504851, 1009702, 2019404, 3533957, 5553361, 6563063, 7067914, 11106722, 13126126, 14135828, 22213444, 26252252, 38873527, 45941441, 72193693, 77747054, 91882882, 144387386, 155494108, 183765764, 288774772, 505355851, 1010711702, 2021423404]

約数ペア:

[(1, 2021423404), (2, 1010711702), (4, 505355851), (7, 288774772), (11, 183765764), (13, 155494108), (14, 144387386), (22, 91882882), (26, 77747054), (28, 72193693), (44, 45941441), (52, 38873527), (77, 26252252), (91, 22213444), (143, 14135828), (154, 13126126), (182, 11106722), (286, 7067914), (308, 6563063), (364, 5553361), (572, 3533957), (1001, 2019404), (2002, 1009702), (4004, 504851)]