21272384

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:583

約数の個数: 56

約数和(自身を含む): 48816768

約数和(自身を除く): 27544384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 412, 448, 461, 721, 824, 922, 1442, 1648, 1844, 2884, 3227, 3296, 3688, 5768, 6454, 6592, 7376, 11536, 12908, 14752, 23072, 25816, 29504, 46144, 47483, 51632, 94966, 103264, 189932, 206528, 332381, 379864, 664762, 759728, 1329524, 1519456, 2659048, 3038912, 5318096, 10636192, 21272384]

約数ペア:

[(1, 21272384), (2, 10636192), (4, 5318096), (7, 3038912), (8, 2659048), (14, 1519456), (16, 1329524), (28, 759728), (32, 664762), (56, 379864), (64, 332381), (103, 206528), (112, 189932), (206, 103264), (224, 94966), (412, 51632), (448, 47483), (461, 46144), (721, 29504), (824, 25816), (922, 23072), (1442, 14752), (1648, 12908), (1844, 11536), (2884, 7376), (3227, 6592), (3296, 6454), (3688, 5768)]