21146944

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3631}}^1$

素因数の和:3663

約数の個数: 56

約数和(自身を含む): 51661568

約数和(自身を除く): 30514624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3631, 5824, 7262, 14524, 25417, 29048, 47203, 50834, 58096, 94406, 101668, 116192, 188812, 203336, 232384, 330421, 377624, 406672, 660842, 755248, 813344, 1321684, 1510496, 1626688, 2643368, 3020992, 5286736, 10573472, 21146944]

約数ペア:

[(1, 21146944), (2, 10573472), (4, 5286736), (7, 3020992), (8, 2643368), (13, 1626688), (14, 1510496), (16, 1321684), (26, 813344), (28, 755248), (32, 660842), (52, 406672), (56, 377624), (64, 330421), (91, 232384), (104, 203336), (112, 188812), (182, 116192), (208, 101668), (224, 94406), (364, 58096), (416, 50834), (448, 47203), (728, 29048), (832, 25417), (1456, 14524), (2912, 7262), (3631, 5824)]