21868288

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6571}}^1$

素因数の和:6600

約数の個数: 36

約数和(自身を含む): 47016088

約数和(自身を除く): 25147800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6571, 13142, 26284, 52568, 85423, 105136, 170846, 210272, 341692, 420544, 683384, 841088, 1366768, 1682176, 2733536, 5467072, 10934144, 21868288]

約数ペア:

[(1, 21868288), (2, 10934144), (4, 5467072), (8, 2733536), (13, 1682176), (16, 1366768), (26, 841088), (32, 683384), (52, 420544), (64, 341692), (104, 210272), (128, 170846), (208, 105136), (256, 85423), (416, 52568), (832, 26284), (1664, 13142), (3328, 6571)]