21500192

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 49315392

約数和(自身を除く): 27815200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 1811, 2968, 3622, 5936, 7244, 11872, 12677, 14488, 25354, 28976, 50708, 57952, 95983, 101416, 191966, 202832, 383932, 405664, 671881, 767864, 1343762, 1535728, 2687524, 3071456, 5375048, 10750096, 21500192]

約数ペア:

[(1, 21500192), (2, 10750096), (4, 5375048), (7, 3071456), (8, 2687524), (14, 1535728), (16, 1343762), (28, 767864), (32, 671881), (53, 405664), (56, 383932), (106, 202832), (112, 191966), (212, 101416), (224, 95983), (371, 57952), (424, 50708), (742, 28976), (848, 25354), (1484, 14488), (1696, 12677), (1811, 11872), (2968, 7244), (3622, 5936)]