21087984

素因数分解:

$2^4\times 3^1\times {\mathrm{461}}^1\times {\mathrm{953}}^1$

素因数の和:1425

約数の個数: 40

約数和(自身を含む): 54652752

約数和(自身を除く): 33564768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 461, 922, 953, 1383, 1844, 1906, 2766, 2859, 3688, 3812, 5532, 5718, 7376, 7624, 11064, 11436, 15248, 22128, 22872, 45744, 439333, 878666, 1317999, 1757332, 2635998, 3514664, 5271996, 7029328, 10543992, 21087984]

約数ペア:

[(1, 21087984), (2, 10543992), (3, 7029328), (4, 5271996), (6, 3514664), (8, 2635998), (12, 1757332), (16, 1317999), (24, 878666), (48, 439333), (461, 45744), (922, 22872), (953, 22128), (1383, 15248), (1844, 11436), (1906, 11064), (2766, 7624), (2859, 7376), (3688, 5718), (3812, 5532)]