21879872

素因数分解:

$2^6\times 7^2\times {\mathrm{6977}}^1$

素因数の和:7003

約数の個数: 42

約数和(自身を含む): 50513742

約数和(自身を除く): 28633870

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6977, 13954, 27908, 48839, 55816, 97678, 111632, 195356, 223264, 341873, 390712, 446528, 683746, 781424, 1367492, 1562848, 2734984, 3125696, 5469968, 10939936, 21879872]

約数ペア:

[(1, 21879872), (2, 10939936), (4, 5469968), (7, 3125696), (8, 2734984), (14, 1562848), (16, 1367492), (28, 781424), (32, 683746), (49, 446528), (56, 390712), (64, 341873), (98, 223264), (112, 195356), (196, 111632), (224, 97678), (392, 55816), (448, 48839), (784, 27908), (1568, 13954), (3136, 6977)]