21101168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1061}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 45037296

約数和(自身を除く): 23936128

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1061, 1243, 1808, 2122, 2486, 4244, 4972, 8488, 9944, 11671, 16976, 19888, 23342, 46684, 93368, 119893, 186736, 239786, 479572, 959144, 1318823, 1918288, 2637646, 5275292, 10550584, 21101168]

約数ペア:

[(1, 21101168), (2, 10550584), (4, 5275292), (8, 2637646), (11, 1918288), (16, 1318823), (22, 959144), (44, 479572), (88, 239786), (113, 186736), (176, 119893), (226, 93368), (452, 46684), (904, 23342), (1061, 19888), (1243, 16976), (1808, 11671), (2122, 9944), (2486, 8488), (4244, 4972)]