21420264

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{4931}}^1$

素因数の和:5121

約数の個数: 32

約数和(自身を含む): 53857440

約数和(自身を除く): 32437176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 4931, 9862, 14793, 19724, 29586, 39448, 59172, 118344, 892511, 1785022, 2677533, 3570044, 5355066, 7140088, 10710132, 21420264]

約数ペア:

[(1, 21420264), (2, 10710132), (3, 7140088), (4, 5355066), (6, 3570044), (8, 2677533), (12, 1785022), (24, 892511), (181, 118344), (362, 59172), (543, 39448), (724, 29586), (1086, 19724), (1448, 14793), (2172, 9862), (4344, 4931)]