21544560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1343

約数の個数: 120

約数和(自身を含む): 75557664

約数和(自身を除く): 54013104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1301, 1380, 1656, 1840, 2070, 2602, 2760, 3312, 3903, 4140, 5204, 5520, 6505, 7806, 8280, 10408, 11709, 13010, 15612, 16560, 19515, 20816, 23418, 26020, 29923, 31224, 39030, 46836, 52040, 58545, 59846, 62448, 78060, 89769, 93672, 104080, 117090, 119692, 149615, 156120, 179538, 187344, 234180, 239384, 269307, 299230, 312240, 359076, 448845, 468360, 478768, 538614, 598460, 718152, 897690, 936720, 1077228, 1196920, 1346535, 1436304, 1795380, 2154456, 2393840, 2693070, 3590760, 4308912, 5386140, 7181520, 10772280, 21544560]

約数ペア:

[(1, 21544560), (2, 10772280), (3, 7181520), (4, 5386140), (5, 4308912), (6, 3590760), (8, 2693070), (9, 2393840), (10, 2154456), (12, 1795380), (15, 1436304), (16, 1346535), (18, 1196920), (20, 1077228), (23, 936720), (24, 897690), (30, 718152), (36, 598460), (40, 538614), (45, 478768), (46, 468360), (48, 448845), (60, 359076), (69, 312240), (72, 299230), (80, 269307), (90, 239384), (92, 234180), (115, 187344), (120, 179538), (138, 156120), (144, 149615), (180, 119692), (184, 117090), (207, 104080), (230, 93672), (240, 89769), (276, 78060), (345, 62448), (360, 59846), (368, 58545), (414, 52040), (460, 46836), (552, 39030), (690, 31224), (720, 29923), (828, 26020), (920, 23418), (1035, 20816), (1104, 19515), (1301, 16560), (1380, 15612), (1656, 13010), (1840, 11709), (2070, 10408), (2602, 8280), (2760, 7806), (3312, 6505), (3903, 5520), (4140, 5204)]