21023200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2389}}^1$

素因数の和:2420

約数の個数: 72

約数和(自身を含む): 56012040

約数和(自身を除く): 34988840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2389, 4400, 4778, 8800, 9556, 11945, 19112, 23890, 26279, 38224, 47780, 52558, 59725, 76448, 95560, 105116, 119450, 131395, 191120, 210232, 238900, 262790, 382240, 420464, 477800, 525580, 656975, 840928, 955600, 1051160, 1313950, 1911200, 2102320, 2627900, 4204640, 5255800, 10511600, 21023200]

約数ペア:

[(1, 21023200), (2, 10511600), (4, 5255800), (5, 4204640), (8, 2627900), (10, 2102320), (11, 1911200), (16, 1313950), (20, 1051160), (22, 955600), (25, 840928), (32, 656975), (40, 525580), (44, 477800), (50, 420464), (55, 382240), (80, 262790), (88, 238900), (100, 210232), (110, 191120), (160, 131395), (176, 119450), (200, 105116), (220, 95560), (275, 76448), (352, 59725), (400, 52558), (440, 47780), (550, 38224), (800, 26279), (880, 23890), (1100, 19112), (1760, 11945), (2200, 9556), (2389, 8800), (4400, 4778)]