21047016

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28289}}^1$

素因数の和:28329

約数の個数: 32

約数和(自身を含む): 54316800

約数和(自身を除く): 33269784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28289, 56578, 84867, 113156, 169734, 226312, 339468, 678936, 876959, 1753918, 2630877, 3507836, 5261754, 7015672, 10523508, 21047016]

約数ペア:

[(1, 21047016), (2, 10523508), (3, 7015672), (4, 5261754), (6, 3507836), (8, 2630877), (12, 1753918), (24, 876959), (31, 678936), (62, 339468), (93, 226312), (124, 169734), (186, 113156), (248, 84867), (372, 56578), (744, 28289)]