21000901328

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{986143}}^1$

素因数の和:986184

約数の個数: 40

約数和(自身を含む): 44755159296

約数和(自身を除く): 23754257968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1331, 1936, 2662, 5324, 10648, 21296, 986143, 1972286, 3944572, 7889144, 10847573, 15778288, 21695146, 43390292, 86780584, 119323303, 173561168, 238646606, 477293212, 954586424, 1312556333, 1909172848, 2625112666, 5250225332, 10500450664, 21000901328]

約数ペア:

[(1, 21000901328), (2, 10500450664), (4, 5250225332), (8, 2625112666), (11, 1909172848), (16, 1312556333), (22, 954586424), (44, 477293212), (88, 238646606), (121, 173561168), (176, 119323303), (242, 86780584), (484, 43390292), (968, 21695146), (1331, 15778288), (1936, 10847573), (2662, 7889144), (5324, 3944572), (10648, 1972286), (21296, 986143)]