21538452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 54698112

約数和(自身を除く): 33159660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 156, 202, 303, 404, 606, 1212, 1313, 1367, 2626, 2734, 3939, 4101, 5252, 5468, 7878, 8202, 15756, 16404, 17771, 35542, 53313, 71084, 106626, 138067, 213252, 276134, 414201, 552268, 828402, 1656804, 1794871, 3589742, 5384613, 7179484, 10769226, 21538452]

約数ペア:

[(1, 21538452), (2, 10769226), (3, 7179484), (4, 5384613), (6, 3589742), (12, 1794871), (13, 1656804), (26, 828402), (39, 552268), (52, 414201), (78, 276134), (101, 213252), (156, 138067), (202, 106626), (303, 71084), (404, 53313), (606, 35542), (1212, 17771), (1313, 16404), (1367, 15756), (2626, 8202), (2734, 7878), (3939, 5468), (4101, 5252)]