21076244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 44822400

約数和(自身を除く): 23746156

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 173, 229, 266, 346, 458, 532, 692, 916, 1211, 1603, 2422, 3206, 3287, 4351, 4844, 6412, 6574, 8702, 13148, 17404, 23009, 30457, 39617, 46018, 60914, 79234, 92036, 121828, 158468, 277319, 554638, 752723, 1109276, 1505446, 3010892, 5269061, 10538122, 21076244]

約数ペア:

[(1, 21076244), (2, 10538122), (4, 5269061), (7, 3010892), (14, 1505446), (19, 1109276), (28, 752723), (38, 554638), (76, 277319), (133, 158468), (173, 121828), (229, 92036), (266, 79234), (346, 60914), (458, 46018), (532, 39617), (692, 30457), (916, 23009), (1211, 17404), (1603, 13148), (2422, 8702), (3206, 6574), (3287, 6412), (4351, 4844)]