21006514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 34574400

約数和(自身を除く): 13567886

約数列:

[1, 2, 19, 38, 41, 82, 97, 139, 194, 278, 779, 1558, 1843, 2641, 3686, 3977, 5282, 5699, 7954, 11398, 13483, 26966, 75563, 108281, 151126, 216562, 256177, 512354, 552803, 1105606, 10503257, 21006514]

約数ペア:

[(1, 21006514), (2, 10503257), (19, 1105606), (38, 552803), (41, 512354), (82, 256177), (97, 216562), (139, 151126), (194, 108281), (278, 75563), (779, 26966), (1558, 13483), (1843, 11398), (2641, 7954), (3686, 5699), (3977, 5282)]