21059916

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 51592800

約数和(自身を除く): 30532884

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 73, 87, 116, 146, 174, 219, 292, 348, 438, 829, 876, 1658, 2117, 2487, 3316, 4234, 4974, 6351, 8468, 9948, 12702, 24041, 25404, 48082, 60517, 72123, 96164, 121034, 144246, 181551, 242068, 288492, 363102, 726204, 1754993, 3509986, 5264979, 7019972, 10529958, 21059916]

約数ペア:

[(1, 21059916), (2, 10529958), (3, 7019972), (4, 5264979), (6, 3509986), (12, 1754993), (29, 726204), (58, 363102), (73, 288492), (87, 242068), (116, 181551), (146, 144246), (174, 121034), (219, 96164), (292, 72123), (348, 60517), (438, 48082), (829, 25404), (876, 24041), (1658, 12702), (2117, 9948), (2487, 8468), (3316, 6351), (4234, 4974)]