21056736

素因数分解:

$2^5\times 3^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 55511568

約数和(自身を除く): 34454832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 421, 521, 842, 1042, 1263, 1563, 1684, 2084, 2526, 3126, 3368, 4168, 5052, 6252, 6736, 8336, 10104, 12504, 13472, 16672, 20208, 25008, 40416, 50016, 219341, 438682, 658023, 877364, 1316046, 1754728, 2632092, 3509456, 5264184, 7018912, 10528368, 21056736]

約数ペア:

[(1, 21056736), (2, 10528368), (3, 7018912), (4, 5264184), (6, 3509456), (8, 2632092), (12, 1754728), (16, 1316046), (24, 877364), (32, 658023), (48, 438682), (96, 219341), (421, 50016), (521, 40416), (842, 25008), (1042, 20208), (1263, 16672), (1563, 13472), (1684, 12504), (2084, 10104), (2526, 8336), (3126, 6736), (3368, 6252), (4168, 5052)]