21562044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 57835008

約数和(自身を除く): 36272964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 197, 394, 591, 788, 1182, 1303, 1379, 2364, 2606, 2758, 3909, 4137, 5212, 5516, 7818, 8274, 9121, 15636, 16548, 18242, 27363, 36484, 54726, 109452, 256691, 513382, 770073, 1026764, 1540146, 1796837, 3080292, 3593674, 5390511, 7187348, 10781022, 21562044]

約数ペア:

[(1, 21562044), (2, 10781022), (3, 7187348), (4, 5390511), (6, 3593674), (7, 3080292), (12, 1796837), (14, 1540146), (21, 1026764), (28, 770073), (42, 513382), (84, 256691), (197, 109452), (394, 54726), (591, 36484), (788, 27363), (1182, 18242), (1303, 16548), (1379, 15636), (2364, 9121), (2606, 8274), (2758, 7818), (3909, 5516), (4137, 5212)]