21046312

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1429}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 45302400

約数和(自身を除く): 24256088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1429, 1841, 2104, 2858, 3682, 5716, 7364, 10003, 11432, 14728, 20006, 40012, 80024, 375827, 751654, 1503308, 2630789, 3006616, 5261578, 10523156, 21046312]

約数ペア:

[(1, 21046312), (2, 10523156), (4, 5261578), (7, 3006616), (8, 2630789), (14, 1503308), (28, 751654), (56, 375827), (263, 80024), (526, 40012), (1052, 20006), (1429, 14728), (1841, 11432), (2104, 10003), (2858, 7364), (3682, 5716)]