21568307908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{577867}}^1$

素因数の和:577952

約数の個数: 48

約数和(自身を含む): 45563736064

約数和(自身を除く): 23995428156

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 602, 868, 1204, 1333, 2666, 5332, 9331, 18662, 37324, 577867, 1155734, 2311468, 4045069, 8090138, 16180276, 17913877, 24848281, 35827754, 49696562, 71655508, 99393124, 125397139, 173937967, 250794278, 347875934, 501588556, 695751868, 770296711, 1540593422, 3081186844, 5392076977, 10784153954, 21568307908]

約数ペア:

[(1, 21568307908), (2, 10784153954), (4, 5392076977), (7, 3081186844), (14, 1540593422), (28, 770296711), (31, 695751868), (43, 501588556), (62, 347875934), (86, 250794278), (124, 173937967), (172, 125397139), (217, 99393124), (301, 71655508), (434, 49696562), (602, 35827754), (868, 24848281), (1204, 17913877), (1333, 16180276), (2666, 8090138), (5332, 4045069), (9331, 2311468), (18662, 1155734), (37324, 577867)]