21757878

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22807}}^1$

素因数の和:22868

約数の個数: 24

約数和(自身を含む): 48033648

約数和(自身を除く): 26275770

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22807, 45614, 68421, 136842, 205263, 410526, 1208771, 2417542, 3626313, 7252626, 10878939, 21757878]

約数ペア:

[(1, 21757878), (2, 10878939), (3, 7252626), (6, 3626313), (9, 2417542), (18, 1208771), (53, 410526), (106, 205263), (159, 136842), (318, 68421), (477, 45614), (954, 22807)]