211020078

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{20947}}^1$

素因数の和:21048

約数の個数: 32

約数和(自身を含む): 446443776

約数和(自身を除く): 235423698

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 138, 146, 219, 438, 1679, 3358, 5037, 10074, 20947, 41894, 62841, 125682, 481781, 963562, 1445343, 1529131, 2890686, 3058262, 4587393, 9174786, 35170013, 70340026, 105510039, 211020078]

約数ペア:

[(1, 211020078), (2, 105510039), (3, 70340026), (6, 35170013), (23, 9174786), (46, 4587393), (69, 3058262), (73, 2890686), (138, 1529131), (146, 1445343), (219, 963562), (438, 481781), (1679, 125682), (3358, 62841), (5037, 41894), (10074, 20947)]