21000608688

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10671041}}^1$

素因数の和:10671093

約数の個数: 40

約数和(自身を含む): 55574786736

約数和(自身を除く): 34574178048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10671041, 21342082, 32013123, 42684164, 64026246, 85368328, 128052492, 170736656, 256104984, 437512681, 512209968, 875025362, 1312538043, 1750050724, 2625076086, 3500101448, 5250152172, 7000202896, 10500304344, 21000608688]

約数ペア:

[(1, 21000608688), (2, 10500304344), (3, 7000202896), (4, 5250152172), (6, 3500101448), (8, 2625076086), (12, 1750050724), (16, 1312538043), (24, 875025362), (41, 512209968), (48, 437512681), (82, 256104984), (123, 170736656), (164, 128052492), (246, 85368328), (328, 64026246), (492, 42684164), (656, 32013123), (984, 21342082), (1968, 10671041)]