21191904

素因数分解:

$2^5\times 3^2\times {\mathrm{73583}}^1$

素因数の和:73599

約数の個数: 36

約数和(自身を含む): 60265296

約数和(自身を除く): 39073392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73583, 147166, 220749, 294332, 441498, 588664, 662247, 882996, 1177328, 1324494, 1765992, 2354656, 2648988, 3531984, 5297976, 7063968, 10595952, 21191904]

約数ペア:

[(1, 21191904), (2, 10595952), (3, 7063968), (4, 5297976), (6, 3531984), (8, 2648988), (9, 2354656), (12, 1765992), (16, 1324494), (18, 1177328), (24, 882996), (32, 662247), (36, 588664), (48, 441498), (72, 294332), (96, 220749), (144, 147166), (288, 73583)]