21242904

素因数分解:

$2^3\times 3^1\times {\mathrm{197}}^1\times {\mathrm{4493}}^1$

素因数の和:4699

約数の個数: 32

約数和(自身を含む): 53388720

約数和(自身を除く): 32145816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 197, 394, 591, 788, 1182, 1576, 2364, 4493, 4728, 8986, 13479, 17972, 26958, 35944, 53916, 107832, 885121, 1770242, 2655363, 3540484, 5310726, 7080968, 10621452, 21242904]

約数ペア:

[(1, 21242904), (2, 10621452), (3, 7080968), (4, 5310726), (6, 3540484), (8, 2655363), (12, 1770242), (24, 885121), (197, 107832), (394, 53916), (591, 35944), (788, 26958), (1182, 17972), (1576, 13479), (2364, 8986), (4493, 4728)]