21902384

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1171}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 48830208

約数和(自身を除く): 26927824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1169, 1171, 1336, 2338, 2342, 2672, 4676, 4684, 8197, 9352, 9368, 16394, 18704, 18736, 32788, 65576, 131152, 195557, 391114, 782228, 1368899, 1564456, 2737798, 3128912, 5475596, 10951192, 21902384]

約数ペア:

[(1, 21902384), (2, 10951192), (4, 5475596), (7, 3128912), (8, 2737798), (14, 1564456), (16, 1368899), (28, 782228), (56, 391114), (112, 195557), (167, 131152), (334, 65576), (668, 32788), (1169, 18736), (1171, 18704), (1336, 16394), (2338, 9368), (2342, 9352), (2672, 8197), (4676, 4684)]