21092864

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3200

約数の個数: 40

約数和(自身を含む): 45400740

約数和(自身を除く): 24307876

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3169, 3328, 6338, 6656, 12676, 25352, 41197, 50704, 82394, 101408, 164788, 202816, 329576, 405632, 659152, 811264, 1318304, 1622528, 2636608, 5273216, 10546432, 21092864]

約数ペア:

[(1, 21092864), (2, 10546432), (4, 5273216), (8, 2636608), (13, 1622528), (16, 1318304), (26, 811264), (32, 659152), (52, 405632), (64, 329576), (104, 202816), (128, 164788), (208, 101408), (256, 82394), (416, 50704), (512, 41197), (832, 25352), (1664, 12676), (3169, 6656), (3328, 6338)]