21416680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23279}}^1$

素因数の和:23313

約数の個数: 32

約数和(自身を含む): 50284800

約数和(自身を除く): 28868120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23279, 46558, 93116, 116395, 186232, 232790, 465580, 535417, 931160, 1070834, 2141668, 2677085, 4283336, 5354170, 10708340, 21416680]

約数ペア:

[(1, 21416680), (2, 10708340), (4, 5354170), (5, 4283336), (8, 2677085), (10, 2141668), (20, 1070834), (23, 931160), (40, 535417), (46, 465580), (92, 232790), (115, 186232), (184, 116395), (230, 93116), (460, 46558), (920, 23279)]