21386160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9901}}^1$

素因数の和:9923

約数の個数: 80

約数和(自身を含む): 73670880

約数和(自身を除く): 52284720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9901, 19802, 29703, 39604, 49505, 59406, 79208, 89109, 99010, 118812, 148515, 158416, 178218, 198020, 237624, 267327, 297030, 356436, 396040, 445545, 475248, 534654, 594060, 712872, 792080, 891090, 1069308, 1188120, 1336635, 1425744, 1782180, 2138616, 2376240, 2673270, 3564360, 4277232, 5346540, 7128720, 10693080, 21386160]

約数ペア:

[(1, 21386160), (2, 10693080), (3, 7128720), (4, 5346540), (5, 4277232), (6, 3564360), (8, 2673270), (9, 2376240), (10, 2138616), (12, 1782180), (15, 1425744), (16, 1336635), (18, 1188120), (20, 1069308), (24, 891090), (27, 792080), (30, 712872), (36, 594060), (40, 534654), (45, 475248), (48, 445545), (54, 396040), (60, 356436), (72, 297030), (80, 267327), (90, 237624), (108, 198020), (120, 178218), (135, 158416), (144, 148515), (180, 118812), (216, 99010), (240, 89109), (270, 79208), (360, 59406), (432, 49505), (540, 39604), (720, 29703), (1080, 19802), (2160, 9901)]