21868160

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 31596160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 727, 752, 940, 1454, 1504, 1880, 2908, 3008, 3635, 3760, 5816, 6016, 7270, 7520, 11632, 14540, 15040, 23264, 29080, 30080, 34169, 46528, 58160, 68338, 93056, 116320, 136676, 170845, 232640, 273352, 341690, 465280, 546704, 683380, 1093408, 1366760, 2186816, 2733520, 4373632, 5467040, 10934080, 21868160]

約数ペア:

[(1, 21868160), (2, 10934080), (4, 5467040), (5, 4373632), (8, 2733520), (10, 2186816), (16, 1366760), (20, 1093408), (32, 683380), (40, 546704), (47, 465280), (64, 341690), (80, 273352), (94, 232640), (128, 170845), (160, 136676), (188, 116320), (235, 93056), (320, 68338), (376, 58160), (470, 46528), (640, 34169), (727, 30080), (752, 29080), (940, 23264), (1454, 15040), (1504, 14540), (1880, 11632), (2908, 7520), (3008, 7270), (3635, 6016), (3760, 5816)]