21509068

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26489}}^1$

素因数の和:26529

約数の個数: 24

約数和(自身を含む): 44503200

約数和(自身を除く): 22994132

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26489, 52978, 105956, 185423, 370846, 741692, 768181, 1536362, 3072724, 5377267, 10754534, 21509068]

約数ペア:

[(1, 21509068), (2, 10754534), (4, 5377267), (7, 3072724), (14, 1536362), (28, 768181), (29, 741692), (58, 370846), (116, 185423), (203, 105956), (406, 52978), (812, 26489)]