21611200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1074

約数の個数: 84

約数和(自身を含む): 57322720

約数和(自身を除く): 35711520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1039, 1040, 1300, 1600, 2078, 2080, 2600, 4156, 4160, 5195, 5200, 8312, 10390, 10400, 13507, 16624, 20780, 20800, 25975, 27014, 33248, 41560, 51950, 54028, 66496, 67535, 83120, 103900, 108056, 135070, 166240, 207800, 216112, 270140, 332480, 337675, 415600, 432224, 540280, 675350, 831200, 864448, 1080560, 1350700, 1662400, 2161120, 2701400, 4322240, 5402800, 10805600, 21611200]

約数ペア:

[(1, 21611200), (2, 10805600), (4, 5402800), (5, 4322240), (8, 2701400), (10, 2161120), (13, 1662400), (16, 1350700), (20, 1080560), (25, 864448), (26, 831200), (32, 675350), (40, 540280), (50, 432224), (52, 415600), (64, 337675), (65, 332480), (80, 270140), (100, 216112), (104, 207800), (130, 166240), (160, 135070), (200, 108056), (208, 103900), (260, 83120), (320, 67535), (325, 66496), (400, 54028), (416, 51950), (520, 41560), (650, 33248), (800, 27014), (832, 25975), (1039, 20800), (1040, 20780), (1300, 16624), (1600, 13507), (2078, 10400), (2080, 10390), (2600, 8312), (4156, 5200), (4160, 5195)]