21827358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1619}}^1$

素因数の和:1741

約数の個数: 48

約数和(自身を含む): 54587520

約数和(自身を除く): 32760162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1619, 1926, 2247, 3238, 4494, 4857, 6741, 9714, 11333, 13482, 14571, 22666, 29142, 33999, 67998, 101997, 173233, 203994, 346466, 519699, 1039398, 1212631, 1559097, 2425262, 3118194, 3637893, 7275786, 10913679, 21827358]

約数ペア:

[(1, 21827358), (2, 10913679), (3, 7275786), (6, 3637893), (7, 3118194), (9, 2425262), (14, 1559097), (18, 1212631), (21, 1039398), (42, 519699), (63, 346466), (107, 203994), (126, 173233), (214, 101997), (321, 67998), (642, 33999), (749, 29142), (963, 22666), (1498, 14571), (1619, 13482), (1926, 11333), (2247, 9714), (3238, 6741), (4494, 4857)]