21473936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122011}}^1$

素因数の和:122030

約数の個数: 20

約数和(自身を含む): 45388464

約数和(自身を除く): 23914528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122011, 244022, 488044, 976088, 1342121, 1952176, 2684242, 5368484, 10736968, 21473936]

約数ペア:

[(1, 21473936), (2, 10736968), (4, 5368484), (8, 2684242), (11, 1952176), (16, 1342121), (22, 976088), (44, 488044), (88, 244022), (176, 122011)]