21153912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67801}}^1$

素因数の和:67823

約数の個数: 32

約数和(自身を含む): 56953680

約数和(自身を除く): 35799768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67801, 135602, 203403, 271204, 406806, 542408, 813612, 881413, 1627224, 1762826, 2644239, 3525652, 5288478, 7051304, 10576956, 21153912]

約数ペア:

[(1, 21153912), (2, 10576956), (3, 7051304), (4, 5288478), (6, 3525652), (8, 2644239), (12, 1762826), (13, 1627224), (24, 881413), (26, 813612), (39, 542408), (52, 406806), (78, 271204), (104, 203403), (156, 135602), (312, 67801)]