21860120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23761}}^1$

素因数の和:23795

約数の個数: 32

約数和(自身を含む): 51325920

約数和(自身を除く): 29465800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23761, 47522, 95044, 118805, 190088, 237610, 475220, 546503, 950440, 1093006, 2186012, 2732515, 4372024, 5465030, 10930060, 21860120]

約数ペア:

[(1, 21860120), (2, 10930060), (4, 5465030), (5, 4372024), (8, 2732515), (10, 2186012), (20, 1093006), (23, 950440), (40, 546503), (46, 475220), (92, 237610), (115, 190088), (184, 118805), (230, 95044), (460, 47522), (920, 23761)]