21244902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1409}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 27484698

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 359, 718, 1077, 1409, 2154, 2513, 2818, 4227, 5026, 7539, 8454, 9863, 15078, 19726, 29589, 59178, 505831, 1011662, 1517493, 3034986, 3540817, 7081634, 10622451, 21244902]

約数ペア:

[(1, 21244902), (2, 10622451), (3, 7081634), (6, 3540817), (7, 3034986), (14, 1517493), (21, 1011662), (42, 505831), (359, 59178), (718, 29589), (1077, 19726), (1409, 15078), (2154, 9863), (2513, 8454), (2818, 7539), (4227, 5026)]