21869880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5879}}^1$

素因数の和:5924

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 45867720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5879, 11758, 17637, 23516, 29395, 35274, 47032, 58790, 70548, 88185, 117580, 141096, 176370, 182249, 235160, 352740, 364498, 546747, 705480, 728996, 911245, 1093494, 1457992, 1822490, 2186988, 2733735, 3644980, 4373976, 5467470, 7289960, 10934940, 21869880]

約数ペア:

[(1, 21869880), (2, 10934940), (3, 7289960), (4, 5467470), (5, 4373976), (6, 3644980), (8, 2733735), (10, 2186988), (12, 1822490), (15, 1457992), (20, 1093494), (24, 911245), (30, 728996), (31, 705480), (40, 546747), (60, 364498), (62, 352740), (93, 235160), (120, 182249), (124, 176370), (155, 141096), (186, 117580), (248, 88185), (310, 70548), (372, 58790), (465, 47032), (620, 35274), (744, 29395), (930, 23516), (1240, 17637), (1860, 11758), (3720, 5879)]