21779390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94693}}^1$

素因数の和:94723

約数の個数: 16

約数和(自身を含む): 40907808

約数和(自身を除く): 19128418

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94693, 189386, 473465, 946930, 2177939, 4355878, 10889695, 21779390]

約数ペア:

[(1, 21779390), (2, 10889695), (5, 4355878), (10, 2177939), (23, 946930), (46, 473465), (115, 189386), (230, 94693)]