21972064

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16747}}^1$

素因数の和:16798

約数の個数: 24

約数和(自身を含む): 44315208

約数和(自身を除く): 22343144

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16747, 33494, 66988, 133976, 267952, 535904, 686627, 1373254, 2746508, 5493016, 10986032, 21972064]

約数ペア:

[(1, 21972064), (2, 10986032), (4, 5493016), (8, 2746508), (16, 1373254), (32, 686627), (41, 535904), (82, 267952), (164, 133976), (328, 66988), (656, 33494), (1312, 16747)]