21378321864

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6317471}}^1$

素因数の和:6317530

約数の個数: 48

約数和(自身を含む): 59131537920

約数和(自身を除く): 37753216056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6317471, 12634942, 18952413, 25269884, 37904826, 50539768, 56857239, 75809652, 113714478, 151619304, 227428956, 296921137, 454857912, 593842274, 890763411, 1187684548, 1781526822, 2375369096, 2672290233, 3563053644, 5344580466, 7126107288, 10689160932, 21378321864]

約数ペア:

[(1, 21378321864), (2, 10689160932), (3, 7126107288), (4, 5344580466), (6, 3563053644), (8, 2672290233), (9, 2375369096), (12, 1781526822), (18, 1187684548), (24, 890763411), (36, 593842274), (47, 454857912), (72, 296921137), (94, 227428956), (141, 151619304), (188, 113714478), (282, 75809652), (376, 56857239), (423, 50539768), (564, 37904826), (846, 25269884), (1128, 18952413), (1692, 12634942), (3384, 6317471)]