21552232

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 46116000

約数和(自身を除く): 24563768

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 839, 988, 1352, 1678, 1976, 3211, 3356, 6422, 6712, 10907, 12844, 15941, 21814, 25688, 31882, 43628, 63764, 87256, 127528, 141791, 207233, 283582, 414466, 567164, 828932, 1134328, 1657864, 2694029, 5388058, 10776116, 21552232]

約数ペア:

[(1, 21552232), (2, 10776116), (4, 5388058), (8, 2694029), (13, 1657864), (19, 1134328), (26, 828932), (38, 567164), (52, 414466), (76, 283582), (104, 207233), (152, 141791), (169, 127528), (247, 87256), (338, 63764), (494, 43628), (676, 31882), (839, 25688), (988, 21814), (1352, 15941), (1678, 12844), (1976, 10907), (3211, 6712), (3356, 6422)]