21153992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4799}}^1$

素因数の和:4853

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 22046008

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4799, 9598, 19196, 38392, 91181, 139171, 182362, 278342, 364724, 556684, 729448, 1113368, 2644249, 5288498, 10576996, 21153992]

約数ペア:

[(1, 21153992), (2, 10576996), (4, 5288498), (8, 2644249), (19, 1113368), (29, 729448), (38, 556684), (58, 364724), (76, 278342), (116, 182362), (152, 139171), (232, 91181), (551, 38392), (1102, 19196), (2204, 9598), (4408, 4799)]