21738970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{863}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 21184550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 863, 1145, 1726, 2290, 2519, 4315, 5038, 8630, 9493, 12595, 18986, 25190, 47465, 94930, 197627, 395254, 988135, 1976270, 2173897, 4347794, 10869485, 21738970]

約数ペア:

[(1, 21738970), (2, 10869485), (5, 4347794), (10, 2173897), (11, 1976270), (22, 988135), (55, 395254), (110, 197627), (229, 94930), (458, 47465), (863, 25190), (1145, 18986), (1726, 12595), (2290, 9493), (2519, 8630), (4315, 5038)]