21445892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6761}}^1$

素因数の和:6839

約数の個数: 24

約数和(自身を含む): 41085912

約数和(自身を除く): 19640020

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6761, 13522, 27044, 87893, 175786, 351572, 412421, 824842, 1649684, 5361473, 10722946, 21445892]

約数ペア:

[(1, 21445892), (2, 10722946), (4, 5361473), (13, 1649684), (26, 824842), (52, 412421), (61, 351572), (122, 175786), (244, 87893), (793, 27044), (1586, 13522), (3172, 6761)]