21889084

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3851}}^1$

素因数の和:3898

約数の個数: 36

約数和(自身を含む): 46108440

約数和(自身を除く): 24219356

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3851, 5684, 7702, 15404, 26957, 53914, 107828, 111679, 188699, 223358, 377398, 446716, 754796, 781753, 1563506, 3127012, 5472271, 10944542, 21889084]

約数ペア:

[(1, 21889084), (2, 10944542), (4, 5472271), (7, 3127012), (14, 1563506), (28, 781753), (29, 754796), (49, 446716), (58, 377398), (98, 223358), (116, 188699), (196, 111679), (203, 107828), (406, 53914), (812, 26957), (1421, 15404), (2842, 7702), (3851, 5684)]