21503916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85333}}^1$

素因数の和:85350

約数の個数: 36

約数和(自身を含む): 62123152

約数和(自身を除く): 40619236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85333, 170666, 255999, 341332, 511998, 597331, 767997, 1023996, 1194662, 1535994, 1791993, 2389324, 3071988, 3583986, 5375979, 7167972, 10751958, 21503916]

約数ペア:

[(1, 21503916), (2, 10751958), (3, 7167972), (4, 5375979), (6, 3583986), (7, 3071988), (9, 2389324), (12, 1791993), (14, 1535994), (18, 1194662), (21, 1023996), (28, 767997), (36, 597331), (42, 511998), (63, 341332), (84, 255999), (126, 170666), (252, 85333)]