21090076

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24874724

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1367, 2204, 2734, 3857, 5468, 7714, 9569, 15428, 19138, 25973, 38276, 39643, 51946, 79286, 103892, 158572, 181811, 277501, 363622, 555002, 727244, 753217, 1110004, 1506434, 3012868, 5272519, 10545038, 21090076]

約数ペア:

[(1, 21090076), (2, 10545038), (4, 5272519), (7, 3012868), (14, 1506434), (19, 1110004), (28, 753217), (29, 727244), (38, 555002), (58, 363622), (76, 277501), (116, 181811), (133, 158572), (203, 103892), (266, 79286), (406, 51946), (532, 39643), (551, 38276), (812, 25973), (1102, 19138), (1367, 15428), (2204, 9569), (2734, 7714), (3857, 5468)]