21914368

素因数分解:

$2^8\times 7^2\times {\mathrm{1747}}^1$

素因数の和:1777

約数の個数: 54

約数和(自身を含む): 50913996

約数和(自身を除く): 28999628

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1747, 1792, 3136, 3494, 6272, 6988, 12229, 12544, 13976, 24458, 27952, 48916, 55904, 85603, 97832, 111808, 171206, 195664, 223616, 342412, 391328, 447232, 684824, 782656, 1369648, 1565312, 2739296, 3130624, 5478592, 10957184, 21914368]

約数ペア:

[(1, 21914368), (2, 10957184), (4, 5478592), (7, 3130624), (8, 2739296), (14, 1565312), (16, 1369648), (28, 782656), (32, 684824), (49, 447232), (56, 391328), (64, 342412), (98, 223616), (112, 195664), (128, 171206), (196, 111808), (224, 97832), (256, 85603), (392, 55904), (448, 48916), (784, 27952), (896, 24458), (1568, 13976), (1747, 12544), (1792, 12229), (3136, 6988), (3494, 6272)]