21229336

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19827944

約数列:

[1, 2, 4, 8, 47, 94, 131, 188, 262, 376, 431, 524, 862, 1048, 1724, 3448, 6157, 12314, 20257, 24628, 40514, 49256, 56461, 81028, 112922, 162056, 225844, 451688, 2653667, 5307334, 10614668, 21229336]

約数ペア:

[(1, 21229336), (2, 10614668), (4, 5307334), (8, 2653667), (47, 451688), (94, 225844), (131, 162056), (188, 112922), (262, 81028), (376, 56461), (431, 49256), (524, 40514), (862, 24628), (1048, 20257), (1724, 12314), (3448, 6157)]