21333880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23189}}^1$

素因数の和:23223

約数の個数: 32

約数和(自身を含む): 50090400

約数和(自身を除く): 28756520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23189, 46378, 92756, 115945, 185512, 231890, 463780, 533347, 927560, 1066694, 2133388, 2666735, 4266776, 5333470, 10666940, 21333880]

約数ペア:

[(1, 21333880), (2, 10666940), (4, 5333470), (5, 4266776), (8, 2666735), (10, 2133388), (20, 1066694), (23, 927560), (40, 533347), (46, 463780), (92, 231890), (115, 185512), (184, 115945), (230, 92756), (460, 46378), (920, 23189)]