21804952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2953}}^1$

素因数の和:3043

約数の個数: 32

約数和(自身を含む): 44664480

約数和(自身を除く): 22859528

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2953, 3692, 5906, 7384, 11812, 23624, 38389, 76778, 153556, 209663, 307112, 419326, 838652, 1677304, 2725619, 5451238, 10902476, 21804952]

約数ペア:

[(1, 21804952), (2, 10902476), (4, 5451238), (8, 2725619), (13, 1677304), (26, 838652), (52, 419326), (71, 307112), (104, 209663), (142, 153556), (284, 76778), (568, 38389), (923, 23624), (1846, 11812), (2953, 7384), (3692, 5906)]