21470330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 46046880

約数和(自身を除く): 24576550

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1019, 1505, 2038, 2107, 3010, 4214, 5095, 7133, 10190, 10535, 14266, 21070, 35665, 43817, 49931, 71330, 87634, 99862, 219085, 249655, 306719, 438170, 499310, 613438, 1533595, 2147033, 3067190, 4294066, 10735165, 21470330]

約数ペア:

[(1, 21470330), (2, 10735165), (5, 4294066), (7, 3067190), (10, 2147033), (14, 1533595), (35, 613438), (43, 499310), (49, 438170), (70, 306719), (86, 249655), (98, 219085), (215, 99862), (245, 87634), (301, 71330), (430, 49931), (490, 43817), (602, 35665), (1019, 21070), (1505, 14266), (2038, 10535), (2107, 10190), (3010, 7133), (4214, 5095)]