21426110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4903}}^1$

素因数の和:4952

約数の個数: 32

約数和(自身を含む): 42370560

約数和(自身を除く): 20944450

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4903, 9806, 24515, 49030, 93157, 112769, 186314, 225538, 465785, 563845, 931570, 1127690, 2142611, 4285222, 10713055, 21426110]

約数ペア:

[(1, 21426110), (2, 10713055), (5, 4285222), (10, 2142611), (19, 1127690), (23, 931570), (38, 563845), (46, 465785), (95, 225538), (115, 186314), (190, 112769), (230, 93157), (437, 49030), (874, 24515), (2185, 9806), (4370, 4903)]