21153560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22993}}^1$

素因数の和:23027

約数の個数: 32

約数和(自身を含む): 49667040

約数和(自身を除く): 28513480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22993, 45986, 91972, 114965, 183944, 229930, 459860, 528839, 919720, 1057678, 2115356, 2644195, 4230712, 5288390, 10576780, 21153560]

約数ペア:

[(1, 21153560), (2, 10576780), (4, 5288390), (5, 4230712), (8, 2644195), (10, 2115356), (20, 1057678), (23, 919720), (40, 528839), (46, 459860), (92, 229930), (115, 183944), (184, 114965), (230, 91972), (460, 45986), (920, 22993)]