21714960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 67834944

約数和(自身を除く): 46119984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 523, 692, 865, 1038, 1046, 1384, 1569, 1730, 2076, 2092, 2595, 2615, 2768, 3138, 3460, 4152, 4184, 5190, 5230, 6276, 6920, 7845, 8304, 8368, 10380, 10460, 12552, 13840, 15690, 20760, 20920, 25104, 31380, 41520, 41840, 62760, 90479, 125520, 180958, 271437, 361916, 452395, 542874, 723832, 904790, 1085748, 1357185, 1447664, 1809580, 2171496, 2714370, 3619160, 4342992, 5428740, 7238320, 10857480, 21714960]

約数ペア:

[(1, 21714960), (2, 10857480), (3, 7238320), (4, 5428740), (5, 4342992), (6, 3619160), (8, 2714370), (10, 2171496), (12, 1809580), (15, 1447664), (16, 1357185), (20, 1085748), (24, 904790), (30, 723832), (40, 542874), (48, 452395), (60, 361916), (80, 271437), (120, 180958), (173, 125520), (240, 90479), (346, 62760), (519, 41840), (523, 41520), (692, 31380), (865, 25104), (1038, 20920), (1046, 20760), (1384, 15690), (1569, 13840), (1730, 12552), (2076, 10460), (2092, 10380), (2595, 8368), (2615, 8304), (2768, 7845), (3138, 6920), (3460, 6276), (4152, 5230), (4184, 5190)]