21765536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52321}}^1$

素因数の和:52344

約数の個数: 24

約数和(自身を含む): 46148004

約数和(自身を除く): 24382468

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52321, 104642, 209284, 418568, 680173, 837136, 1360346, 1674272, 2720692, 5441384, 10882768, 21765536]

約数ペア:

[(1, 21765536), (2, 10882768), (4, 5441384), (8, 2720692), (13, 1674272), (16, 1360346), (26, 837136), (32, 680173), (52, 418568), (104, 209284), (208, 104642), (416, 52321)]