21020496

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 62984064

約数和(自身を除く): 41963568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 857, 876, 1022, 1168, 1533, 1714, 1752, 2044, 2571, 3066, 3428, 3504, 4088, 5142, 5999, 6132, 6856, 8176, 10284, 11998, 12264, 13712, 17997, 20568, 23996, 24528, 35994, 41136, 47992, 62561, 71988, 95984, 125122, 143976, 187683, 250244, 287952, 375366, 437927, 500488, 750732, 875854, 1000976, 1313781, 1501464, 1751708, 2627562, 3002928, 3503416, 5255124, 7006832, 10510248, 21020496]

約数ペア:

[(1, 21020496), (2, 10510248), (3, 7006832), (4, 5255124), (6, 3503416), (7, 3002928), (8, 2627562), (12, 1751708), (14, 1501464), (16, 1313781), (21, 1000976), (24, 875854), (28, 750732), (42, 500488), (48, 437927), (56, 375366), (73, 287952), (84, 250244), (112, 187683), (146, 143976), (168, 125122), (219, 95984), (292, 71988), (336, 62561), (438, 47992), (511, 41136), (584, 35994), (857, 24528), (876, 23996), (1022, 20568), (1168, 17997), (1533, 13712), (1714, 12264), (1752, 11998), (2044, 10284), (2571, 8176), (3066, 6856), (3428, 6132), (3504, 5999), (4088, 5142)]