21088960

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1193

約数の個数: 56

約数和(自身を含む): 51114960

約数和(自身を除く): 30026000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1117, 1180, 1888, 2234, 2360, 3776, 4468, 4720, 5585, 8936, 9440, 11170, 17872, 18880, 22340, 35744, 44680, 65903, 71488, 89360, 131806, 178720, 263612, 329515, 357440, 527224, 659030, 1054448, 1318060, 2108896, 2636120, 4217792, 5272240, 10544480, 21088960]

約数ペア:

[(1, 21088960), (2, 10544480), (4, 5272240), (5, 4217792), (8, 2636120), (10, 2108896), (16, 1318060), (20, 1054448), (32, 659030), (40, 527224), (59, 357440), (64, 329515), (80, 263612), (118, 178720), (160, 131806), (236, 89360), (295, 71488), (320, 65903), (472, 44680), (590, 35744), (944, 22340), (1117, 18880), (1180, 17872), (1888, 11170), (2234, 9440), (2360, 8936), (3776, 5585), (4468, 4720)]