21319390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92693}}^1$

素因数の和:92723

約数の個数: 16

約数和(自身を含む): 40043808

約数和(自身を除く): 18724418

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92693, 185386, 463465, 926930, 2131939, 4263878, 10659695, 21319390]

約数ペア:

[(1, 21319390), (2, 10659695), (5, 4263878), (10, 2131939), (23, 926930), (46, 463465), (115, 185386), (230, 92693)]