21543872

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2569

約数の個数: 56

約数和(自身を含む): 51450240

約数和(自身を除く): 29906368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2531, 4256, 5062, 8512, 10124, 17717, 20248, 35434, 40496, 48089, 70868, 80992, 96178, 141736, 161984, 192356, 283472, 336623, 384712, 566944, 673246, 769424, 1133888, 1346492, 1538848, 2692984, 3077696, 5385968, 10771936, 21543872]

約数ペア:

[(1, 21543872), (2, 10771936), (4, 5385968), (7, 3077696), (8, 2692984), (14, 1538848), (16, 1346492), (19, 1133888), (28, 769424), (32, 673246), (38, 566944), (56, 384712), (64, 336623), (76, 283472), (112, 192356), (133, 161984), (152, 141736), (224, 96178), (266, 80992), (304, 70868), (448, 48089), (532, 40496), (608, 35434), (1064, 20248), (1216, 17717), (2128, 10124), (2531, 8512), (4256, 5062)]